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2026 United States Senate election in Maine

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2026 United States Senate election in Maine

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November 3, 2026 (2026-11-03)
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Nominee Susan Collins Troy Jackson (replacing Graham Platner)
Party Republican Democratic

Incumbent U.S. senator

Susan Collins
Republican



The 2026 United States Senate election in Maine will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of Maine. Republican incumbent Susan Collins is seeking a sixth term. She is being challenged by Democratic former state Senate president Troy Jackson. The election will be conducted with ranked-choice voting.

In the June 9 primaries, Collins was the only candidate to qualify for the Republican nomination. Sullivan harbor master Graham Platner won the Democratic primary over Governor Janet Mills with the support of progressive leaders, but withdrew from the race on July 10 following sexual assault accusations and other controversies. Jackson was selected to replace Platner at a nominating convention on July 25.

As Collins is the only Republican senator representing a state that President Donald Trump did not win in any of his three presidential campaigns, the race is considered to be among the most competitive in 2026. Democrats have not won a Senate election in Maine since 1988.[a]

Background

[edit]

The election will be held on November 3, 2026,[1] coinciding with U.S. House elections, a gubernatorial election, and other local elections.[2] Both the primary and general elections will be conducted with ranked-choice voting.[3] Incumbent Republican U.S. senator Susan Collins is running for re-election to a sixth term.[4] Both primary elections took place on June 9, 2026.[5]

The northernmost state in New England, Maine is considered to be a moderately blue state. Maine has voted for every Democratic presidential nominee since 1992, and Democratic nominee Kamala Harris defeated Republican nominee Donald Trump by approximately seven percentage points in the 2024 United States presidential election in Maine. Democrats also control the governorship, the state legislature, and both seats in Maine's U.S. House congressional delegation.[6] Since 2018, Collins has been the only Republican representing any New England state in either chamber of Congress.[7]

Collins was first elected in 1996. She has been re-elected in four subsequent elections, significantly outperforming other Republicans in the state. In 2020, despite almost all polls and analysts predicting that she would lose her re-election bid, Collins defeated Democratic nominee Sara Gideon by a nine-point margin. Democratic presidential nominee Joe Biden carried Maine by about nine percentage points on the same ballot.[8]

This election is expected to be among the most competitive Senate races in 2026.[9] Collins is the only Republican senator who represents one of the 19 states that Donald Trump did not win in any of his three presidential campaigns.[10] With the decline of ticket splitting, Collins is widely viewed as the most vulnerable incumbent Republican senator in 2026.[11][12] Collins is also the only Republican senator facing re-election in a state that Kamala Harris won in the 2024 presidential election.[13] Since the 2024 United States Senate elections, Collins has been the last senator to represent a non-swing state (in other words, a reliably Democratic or Republican state) that typically supports the opposing party.[14]

Republican primary

[edit]

Incumbent U.S. senator Susan Collins officially announced her re-election bid in February 2026.[15] Despite Collins receiving backlash from some Republicans for not supporting all of Trump's agenda during his second term as president, the Republican Party nonetheless supports her re-election campaign due to the fact that she is the only Republican who has been electorally successful in Maine in recent years.[16] However, she faced an unsuccessful primary challenge from former police officer Dan Smeriglio, who argued that she votes with Senate Democrats too often.[17][18] Ultimately, Collins was the only Republican to qualify for the primary ballot.[19]

Candidates

[edit]

Nominee

[edit]

Withdrawn

[edit]

Endorsements

[edit]
Susan Collins

Executive branch officials

U.S. senators
State legislators
Organizations
Declined to endorse

Executive branch officials

Fundraising

[edit]

Italics indicate a withdrawn candidate

Campaign finance reports as of May 20, 2026
Candidate Raised Spent Cash on hand
Carmen Calabrese (R) $17,760 $21,260 $0.00
Susan Collins (R) $14,925,296 $6,547,574 $9,672,914
Source: Federal Election Commission[36]

Polling

[edit]
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Carmen
Calabrese
Susan
Collins
Dan
Smeriglio
Other Undecided
March 1, 2026 Calabrese withdraws
University of New Hampshire[37] February 12–16, 2026 417 (LV) ± 4.9% 1% 67% 6% 1%[c] 25%
University of New Hampshire[38] October 16–21, 2025 417 (LV) ± 4.8% 1% 66% 1% 4%[d] 27%

Results

[edit]
Republican primary results by county
Republican primary results
Party Candidate Votes %
Republican Susan Collins (incumbent) 126,398 100.0
Total votes 126,398 100.0

Democratic primary

[edit]

In April 2025, former congressional staffer Jordan Wood became the first Democrat to enter the race, running on a platform opposed to the Trump administration and Elon Musk.[39]

On August 19, Sullivan harbor master Graham Platner launched a progressive campaign backed by Bernie Sanders and organized labor, positioning himself against the "Democratic establishment" and drawing support from both liberal voters and some 2024 Trump voters.[40][41] In February 2026, Politico described Platner as "unlike any other recent popular candidate the state has seen". Noting Platner's large social media following, Politico added: "He is brash. He is progressive. He has drawn crowds of hundreds of people, national attention and millions in campaign dollars".[42]

After weeks of speculation and leaked campaign plans,[43] Gov. Janet Mills entered the race in October 2025.[44] The DSCC's close involvement in her campaign prompted backlash and allegations of favoritism in the primary.[45][46] Mills was widely viewed as a top Democratic recruit; she was encouraged to run by Senate Minority Leader Chuck Schumer, Senator Kirsten Gillibrand, and the Democratic Senatorial Campaign Committee (DSCC),[47] although Sanders publicly discouraged her candidacy.[48]

Following Mills's entry, several candidates, including Dan Kleban and Daira Smith-Rodriguez, withdrew and endorsed Mills.[49][50] Smith-Rodriguez cited concerns over past comments by Platner regarding sexual assault in the military.[51] Wood later withdrew to run for the U.S. House.[52]

In January 2026, Platner briefly paused his campaign due to his wife's medical treatment abroad[53] before resuming later that month. He returned to the campaign trail with protests against Immigrations and Customs Enforcement (ICE) enforcement actions.[54]

In February 2026, Mills committed to multiple debates ahead of the June 9 primary.[55]

Mills, Platner, and 2024 nominee David Costello qualified for the primary ballot.[56] In addition, University of Maine adjunct professor Andrea LaFlamme started a write-in bid for the Democratic nomination.[57]

The Platner/Mills contest was seen as a key contest between the Democratic Party's centrist establishment wing and the populist left-wing and progressive faction, with Mills representing the former and Platner representing the latter.[58]

In March 2026, Mills began running attack ads highlighting Platner's controversies. By April 2026, multiple polls had been released which showed Mills as much as 38 points behind Platner in the primary.[59] Shortly thereafter, the Mills campaign stopped running the attack ads and had made no additional ad purchases across any platform, leading to rumors that she would withdraw from the race.[60]

On April 30, Mills announced that she was suspending her campaign, but she did not endorse him. Her withdrawal led to Schumer and Gillibrand announcing they would now help Platner to defeat Susan Collins.[61]

Following the end of Mills' campaign, Platner was the only prominent and competitive Democrat left in the race, making him the most likely Democratic nominee.[62] Mills' name remained on the primary ballot,[63] and Costello also continued his campaign.[64] On June 9, Platner won the primary;[65] he received over 150,000 votes, more than any other Democratic candidate in a primary in Maine's history.[66]

Platner misconduct controversies

[edit]

Shortly after Mills entered the race, Platner came under fire for resurfaced controversial Reddit posts criticizing police officers, calling rural Americans "stupid" and referring to himself as a "communist", resulting in his campaign's political director, former state representative Genevieve McDonald, quitting the campaign and calling Platner "unelectable"; however, Democratic National Committee Chair Ken Martin stated that the comments were not disqualifying,[67] and Platner apologized in a five-minute video posted to social media. On October 21, Platner released a video of himself dancing and singing shirtless at his brother's wedding, revealing he had a chest tattoo that resembled the Totenkopf used by Nazi Germany's Schutzstaffel. Platner stated he got the tattoo while inebriated with other U.S. Marines while stationed in Croatia, mistaking the symbol for a generic skull and crossbones. He had the tattoo covered,[68] and professed his shame and disgust for getting a tattoo that resembled the fascist insignia.[69] Platner also called himself an anti-fascist "supersoldier" in an old Reddit comment.[70] After the controversies, Democrats such as Senator Chris Murphy defended Platner and said that he "sounds like a human being" who is honest about his mistakes.[71][72][73] Senator Ruben Gallego called his campaign "authentic" and said that he has "the right to grow out of his stupidity" and is not going to be a "crypto-Fetterman".[74][73]

On February 26, 2026, Platner quote-tweeted a clip from Donald Trump's 2026 State of the Union Address, criticizing Trump's speech. The clip had been posted by anti-Semitic white supremacist Stew Peters.[75] The tweet was deleted hours later, with a spokesperson for Platner's campaign telling The Hill that they were unaware of Peters's views.[76][77]

In May 2026, reports surfaced that Platner's wife had alerted his campaign team to explicit messages he was sending to women on the messaging app Kik, expressing concern that the behavior could hurt him politically. Additional reports during the same period drew attention to Platner's Nazi-linked tattoos, as well as past social media posts widely described as bigoted.[78]

In June 2026, The New York Times published an article including allegations of physical abuse and "unsettling" behavior from multiple women.[79] In response, Platner told media that his poor behavior was attributed to PTSD from his service in the Marine Corps. While he specifically denied the accusations made by one woman, he did not dispute the characterization of his behavior toward a second one.[80]

Candidates

[edit]

Withdrew after nomination

[edit]

Eliminated in primary

[edit]

Withdrawn

[edit]

Declined

[edit]

Endorsements

[edit]
Graham Platner

Executive branch officials

U.S. senators
U.S. representatives
Statewide officials
State legislators
Local officials
Party officials
Individuals
Labor unions
Organizations
Political parties
Dan Kleban (withdrawn)

State legislators

Individuals
Janet Mills (suspended campaign, remained on ballot)

U.S. senators

U.S. representatives
Statewide officials
State legislators
Individuals
  • Dan Kleban, brewery owner and former candidate for this seat[49]
  • Daira Smith-Rodriguez, former civilian contracting officer for the U.S. Air Force and former candidate for this seat[51]
Organizations
Jordan Wood (withdrawn)

U.S. representatives

Organizations
Declined to endorse

U.S. senators

U.S. representatives
Statewide officials
Individuals
  • Jordan Wood, candidate for ME-02 in 2026 and former candidate for this seat[136] (endorsed Platner after Mills suspended her campaign)[91]

Fundraising

[edit]

Italics indicate a withdrawn candidate

Campaign finance reports as of May 20, 2026
Candidate Raised Spent Cash on hand
David Costello (D) $149,655 $107,868 $41,787
David Evans (D)[h] $6,437 $6,437 $0
Tucker Favreau (D)[h] $13,599 $4,913 $5,170
Dan Kleban (D)[h] $458,787 $458,367 $420
Andrea LaFlamme (D) $7,739 $1,929 $5,810
Janet Mills (D)[i] $5,838,277 $5,121,375 $716,903
Graham Platner (D) $16,312,222 $14,131,391 $2,180,832
Daira Smith-Rodriguez (D)[h] $242,582 $242,582 $0
Jordan Wood (D)[h] $3,098,912 $2,178,443 $920,470
Source: Federal Election Commission[36]

Polling

[edit]

Aggregate polls

Source of poll
aggregation
Dates
administered
Dates
updated
Janet
Mills
Graham
Platner
Other/Undecided
[j]
Margin
270toWin[193] May 21 – June 5, 2026 June 8, 2026 13.0% 72.0% 15.0%[k] Platner +59.0%
Decision Desk HQ[194] through June 5, 2026 June 9, 2026 19.5% 65.8% 14.7% Platner +46.3%
Race to the WH[195] through May 25, 2026 May 27, 2026 11.9% 74.4% 13.7%[l] Platner +62.5%
Average 14.8% 70.7% 14.5% Platner +55.9%
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
David
Costello
Janet
Mills
Graham
Platner
Jordan
Wood
Other Undecided
Tavern Research (D)[196] June 5, 2026 704 (LV) ± 5.9% 5% 16% 68% — 2%[m] 9%
— 31% 69% — — —
— — 72% — 28%[n] —
University of New Hampshire[197] May 21–25, 2026 595 (LV) ± 4.0% 3% 10% 76% — 2%[o] 8%
April 30, 2026 Mills suspends her campaign, remains on ballot
Workbench Strategy (D)[198][A] April 6–9, 2026 600 (LV) — — 29% 64% — — 7%
Maine People's Resource Center (D)[199][B] March 20–31, 2026 514 (LV) — 2% 28% 61% — — 9%
Emerson College[200] March 21–23, 2026 530 (LV) ± 4.2% 1% 28% 55% — 4%[p] 13%
Impact Research (D)[201][C] March 19–23, 2026 500 (LV) — — 28% 66% — — 6%
Quantus Insights (R)[202] March 5, 2026 450 (LV) ± 3.4% — 38% 43% — — 19%
Pan Atlantic Research[203] February 13 – March 2, 2026 367 (LV) — 4% 39% 46% — — 11%
University of New Hampshire[37] February 12–16, 2026 462 (LV) ± 4.5% 1% 26% 64% — 3%[q] 6%
January 31, 2026 Favreau withdraws
Workbench Strategy (D)[204][A] December 11–16, 2025 500 (LV) — — 40% 55% — — 5%
Pan Atlantic Research[205] November 29 – December 7, 2025 318 (LV) — 1% 47% 37% — — 14%
Z to A Research (D)[206][D] November 14–18, 2025 845 (LV) ± 3.0% 0% 38% 58% — 2%[r] 2%
November 12, 2025 Wood withdraws
Maine People's Resource Center (D)[207][B] October 26–29, 2025 783 (V) ± 3.5% — 39% 41% 5% — 14%
— 47%[s] 53% — — —
SoCal Strategies[208] October 21–25, 2025 500 (LV) ± 4.4% 1% 41% 36% 2% — 20%
NRSC (R)[209] October 22–23, 2025 647 (LV) ± 3.5% — 25% 46% 3% — 26%
University of New Hampshire[38] October 16–21, 2025 510 (LV) ± 4.3% 1% 24% 58% 1% 1%[t] 14%

Results

[edit]
County results
  Platner
  •   60–70%
  •   70–80%
  •   80–90%
Congressional district results
  Platner
  •   70–80%
Democratic primary results[210]
Party Candidate Votes %
Democratic Graham Platner 156,084 72.1
Democratic Janet Mills (withdrawn) 41,644 19.3
Democratic David Costello 17,560 8.1
Democratic Andrea LaFlamme (write-in) 1,114 0.5
Total votes 216,402 100.0

Platner's withdrawal

[edit]

On July 6, 2026, a woman Platner had previously dated accused him of raping her while he was drunk nearly five years prior.[211][212][213] Platner denied the accusation, accusing it of being a political attack to derail his campaign.[211][212] The next day, another former girlfriend alleged that he would take condoms off during sex without her consent.[214][215]

Shortly after the rape allegation, US Senator Ruben Gallego and US Representative Ro Khanna rescinded their endorsements of Platner,[216] and the Maine Democratic Party released a statement calling on Platner to suspend his campaign.[217] Platner later stated on the same day that the campaign would "tak[e] the time to reflect on the best path forward," fueling speculation that he would withdraw from the race.[218] Soon, numerous organizations and US senators, including those who had endorsed Platner, called on him to exit the race.[219][220] Senate Democratic Leader Chuck Schumer and Democratic Senatorial Campaign Committee chair Kirsten Gillibrand, who also rescinded their endorsements, stated that the DSCC would not invest in the race as long as Platner remained on the ballot.[219][221][222] On July 8, Platner announced that he would drop out of the race,[223] filing his withdrawal two days later.[83]

Democratic nominating convention

[edit]

Process

[edit]

No political party in Maine had replaced their nominee in any prior election. While the exact process to be used was not immediately certain, Maine Democratic Party officials and others like Maine Senate president Mattie Daughtry called for an open and inclusive process.[224] On July 8, the Maine Democratic Party voted to hold a state party convention to nominate a candidate to replace Platner as the Democratic nominee.[225] The convention was held on July 25 in Bangor.[226] In order to qualify for the convention, replacement candidates had until July 15 to declare their intent to run; they also had until July 21 to collect at least 500 signatures, with at least 50 signatures from eight different counties.[227] The convention consisted of 601 delegates overall, including the party's state committee.[225][228] 500 of the delegates were elected via county-level caucuses held on July 18–19.[229][230] All delegates at the convention were officially unpledged,[231] though candidates published slates of committed supporters before the county meetings.[229]

Campaign and convention

[edit]

Leading up to and following Platner's withdrawal, former gubernatorial candidates Nirav Shah, Troy Jackson, and Shenna Bellows were viewed as likely frontrunners for the replacement nomination.[222][232][233] Jackson was the first to declare his candidacy for the Senate nomination,[234] while Shah was the first candidate to receive sufficient signatures to qualify.[235] Following the county meetings, at least 456 of the selected delegates were pledged supporters of Jackson,[u] placing him in the lead for the nomination.[236][239][240] Bellows and Shah, along with candidates Dan Kleban and Jordan Wood, all withdrew from the race on July 19.[241]

Jackson and healthcare executive Saundra Pelletier were the only candidates to qualify for the convention ballot and continue their campaigns after the county caucuses.[242] Jackson won the convention vote over Pelletier, 566–5.[243]

Candidates

[edit]

Nominee

[edit]

Eliminated at convention

[edit]

Failed to qualify

[edit]

Withdrawn

[edit]

Declined

[edit]

Endorsements

[edit]
Troy Jackson
U.S. representatives
Statewide officials
State legislators
Individuals
Labor unions
Organizations
Shenna Bellows (withdrawn)
State legislators
Organizations
Declined to endorse
U.S. senators
Statewide officials

Polling

[edit]
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Shenna
Bellows
David
Costello
Troy
Jackson
Dan
Kleban
Paige
Loud
Nirav
Shah
Jordan
Wood
Other Undecided
University of New Hampshire[291] July 15–20, 2026 538 (LV) ± 4.3% 11% 0% 51% 1% 1% 26% 1% 3%[v] 5%
Blueprint Polling (D)[292] July 9–10, 2026 884 (LV) ± 3.1% 14% 0% 40% 1% 1% 23% 3% 8%[w] 10%

Debates

[edit]

A debate featuring eight of the declared candidates, hosted by News Center Maine, occurred on July 16, 2026.[293] A second debate, hosted by the Bangor Daily News and CNN, was scheduled for July 23, but was later cancelled.[294]

Democratic nominating convention debates
No. Date Hosts Moderators Link Participants
Key:
 P  Participant  W  Withdrawn
Bellows Costello Dickerson Jackson Kleban Loud Shah Webb Wood
1 July 16, 2026[293] News Center Maine Rob Caldwell
Phil Hirschkorn
P P P P P W P P P

Results

[edit]
Pledged delegates by candidate prior to convention[236][x]
Candidate Delegates
Troy Jackson 456
Uncommitted 34
Nirav Shah (withdrawn) 6
Shenna Bellows (withdrawn) 2
Jordan Wood (withdrawn) 2
County caucus results
  Jackson
  •   40–50%
  •   60–70%
  •   70–80%
  •   80–90%
  •   90–100%
  Uncommitted
  •   50%
Pledged delegates by county prior to convention[236][x]
County Troy Jackson Uncommitted Nirav Shah
(withdrawn)
Shenna Bellows
(withdrawn)
Jordan Wood
(withdrawn)
Androscoggin 24 7 0 0 0
Aroostook 15 0 0 0 0
Cumberland 148 1 0 0 0
Franklin 6 2 0 0 1
Hancock 22 1 0 0 0
Kennebec 36 4 0 0 0
Knox 18 0 0 0 0
Lincoln 7 3 3 1 1
Oxford 13 3 1 0 0
Penobscot 44 0 0 0 0
Piscataquis 3 1 0 0 0
Sagadahoc 16 0 0 0 0
Somerset 11 1 0 0 0
Waldo 14 1 0 0 0
Washington 1 4 2 1 0
York 78 6 0 0 0
Democratic convention results[243]
Party Candidate Votes %
Democratic Troy Jackson 566 99.1
Democratic Saundra Pelletier 5 0.9
Total votes 571 100.0

Independents

[edit]

Candidates

[edit]

Did not qualify

[edit]

Withdrawn

[edit]

Fundraising

[edit]

Italics indicate a withdrawn candidate

Campaign finance reports as of September 30, 2025
Candidate Raised Spent Cash on hand
Phillip Rench (I) $55,313 $31,072 $24,241
Source: Federal Election Commission[36]

General election

[edit]

Predictions

[edit]
Source Ranking As of
CBS News[299] Tossup September 13, 2026
The Cook Political Report[300] Tossup September 15, 2026
Decision Desk HQ[301] Tossup September 18, 2026
The Economist[302][y] Lean D (flip) September 18, 2026
FiftyPlusOne[303] Lean D (flip) September 19, 2026
Fox News[304] Tossup August 18, 2026
Inside Elections[305] Tossup September 17, 2026
RealClearPolitics[306] Tossup September 18, 2026
Sabato's Crystal Ball[307] Tossup August 26, 2026
Silver Bulletin[308] Lean D (flip) September 19, 2026
Split Ticket[309] Lean D (flip) September 20, 2026

Post-primary endorsements

[edit]
Susan Collins (R)
Executive branch officials
U.S. senators
Organizations
Graham Platner (D) (withdrawn)
U.S. senators
Individuals
Labor unions
Organizations
Declined to endorse
Executive branch officials
U.S. senators
Statewide officials
Individuals

Fundraising

[edit]
Campaign finance reports as of June 30, 2026
Candidate Raised Spent Cash on hand
Susan Collins (R) $18,930,078 $9,187,155 $11,038,115
Troy Jackson (D) $0 $0 $0
Source: Federal Election Commission[336]

Polling

[edit]
Aggregate polls
Source of poll
aggregation
Dates
administered
Dates
updated
Susan
Collins (R)
Troy
Jackson (D)
Other/Undecided Margin
270toWin[337] September 9–24, 2026 September 24, 2026 45.6% 46.8% 7.6% Jackson +1.2%
Decision Desk HQ[338] through September 22, 2026 September 24, 2026 45.5% 46.0% 8.5% Jackson +0.5%
FiftyPlusOne[339] through September 22, 2026 September 24, 2026 45.5% 47.6% 6.9% Jackson +2.1%
Race to the WH[195] through September 22, 2026 September 24, 2026 46.4% 47.2% 6.4% Jackson +0.8%
RealClearPolitics[340] August 31 – September 22, 2026 September 24, 2026 46.0% 46.8% 7.2% Jackson +0.8%
Silver Bulletin[308] through September 15, 2026 September 18, 2026 45.1% 48.6% 6.3% Jackson +3.5%
Average 45.7% 47.2% 7.1% Jackson +1.5%
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Troy
Jackson (D)
Other Undecided
New York Times/Siena University[341] September 15–22, 2026 619 (LV) ± 4.9% 49% 46% — 5%
University of New Hampshire[342] September 17–21, 2026 1,312 (LV) ± 2.7% 47% 51% 1%[z] 1%
Quantus Insights (R)[343] September 14–15, 2026 621 (LV) ± 4.3% 48%[aa] 47% 2%[ab] 4%
47% 46% 2%[ab] 5%
University of Massachusetts/YouGov[344] August 28 – September 14, 2026 650 (LV) ± 4.7% 43% 48% — 9%
Rasmussen Reports (R)[345] September 8–10, 2026 1,033 (LV) ± 3.0% 45% 46% — 9%
YouGov[346] September 2–8, 2026 1,335 (LV) ± 4.9% 44% 48% 1%[ac] 6%
1,378 (RV) 44% 46% 1%[ac] 9%
SSRS[347][E] August 31 – September 6, 2026 880 (LV) ± 3.7% 45% 48% 7%[ad] —
Abacus Data[348] August 26–28, 2026 327 (LV) — 43% 52% 4%[ae] —
500 (RV) ± 4.4% 46% 45% 9%[af] —
Beacon Research (D)/
Shaw & Co. Research (R)[349][F]
August 6–10, 2026 1,000 (RV) ± 3.0% 46% 48% 1% 5%
Hart Research (D)[350][G] July 27 – August 1, 2026 802 (LV) ± 3.5% 45% 49% — 6%
July 25, 2026 Jackson becomes Democratic nominee
University of New Hampshire[291] July 15–20, 2026 1,178 (LV) ± 2.9% 46% 49% 2%[ag] 3%
July 8–10, 2026 Platner withdraws
Z to A Research (D)[351][H] July 7–8, 2026 988 (LV) ± 3.1% 48% 47% — 5%
Public Policy Polling (D)[352][I] July 7, 2026 785 (LV) — 44% 49% — 7%
Wedgewood Polls (D)[353] July 4–6, 2026 405 (LV) ± 5.8% 43% 48% — 9%
Hypothetical polling
Susan Collins vs. Shenna Bellows
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Shenna
Bellows (D)
Undecided
Z to A Research (D)[351][H] July 7–8, 2026 988 (LV) ± 3.1% 47% 47% 6%
Public Policy Polling (D)[352][I] July 7, 2026 785 (LV) — 47% 47% 6%
Susan Collins vs. Graham Platner
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Graham
Platner (D)
Other Undecided
July 8, 2026 Platner suspends his campaign
Public Policy Polling (D)[352][I] July 7, 2026 785 (LV) — 47% 42% — 11%
July 6, 2026 Platner sexual assault allegation reported
Wedgewood Polls[353] July 4–6, 2026 405 (LV) ± 5.8% 50% 46% — 4%
Tavern Research (D)[354] July 3–6, 2026 1,074 (LV) ± 3.4% 48% 52% — —
Beacon Research (D)/Shaw & Co. Research (R)[355][F] June 23–27, 2026 1,003 (RV) ± 3.0% 50% 47% — 3%
The New York Times/Portland Press Herald/Siena University[356] June 19–26, 2026 608 (LV) ± 4.8% 47% 49% — 4%
Wick (R)/2WAY[357] June 11–14, 2026 1,008 (LV) ± 3.1% 45% 48% — 7%
Quantus Insights (R)[358] June 9–11, 2026 870 (LV) ± 3.4% 45% 46% 2%[ab] 7%
The Public Sentiment Institute[195][359] June 8, 2026 497 (LV) ± 4.9% 44% 43% — 13%
Tavern Research (D)[360] June 5–8, 2026 1,642 (LV) ± 2.8% 49% 51% — —
Public Policy Polling (D)[361][A] June 2–3, 2026 670 (RV) ± 3.8% 45% 49% — 6%
Fabrizio, Lee & Associates (R)[362][J] June 1–3, 2026 800 (LV) ± 3.5% 46% 46% — 8%
UMass Lowell/YouGov[363] May 13–26, 2026 650 (LV) ± 4.9% 43% 48% 1%[ah] 6%
University of New Hampshire[197] May 21–25, 2026 1,280 (LV) ± 2.7% 42% 51% 2%[ag] 8%
Pan Atlantic Research[364] May 8–18, 2026 827 (LV) ± 3.7% 41% 48% — 11%
Echelon Insights (R)[365][K] April 3–9, 2026 378 (LV) ± 6.3% 45% 51% — 6%
Maine People's Resource Center (D)[199][B] March 20–31, 2026 1,167 (LV) ± 2.9% 39% 48% — 13%
Emerson College[200] March 21–23, 2026 1,075 (LV) ± 2.9% 41% 48% 6%[ai] 6%
OnMessage Public Strategies (R)[366][L] March 3–8, 2026 600 (LV) ± 4.0% 42% 44% — 14%
Quantus Insights (R)[202] March 5, 2026 800 (LV) ± 3.4% 42% 49% 4%[aj] 6%
Pan Atlantic Research[203] February 13 – March 2, 2026 810 (LV) ± 3.7% 40% 44% — 16%
University of New Hampshire[37] February 12–16, 2026 1,105 (LV) ± 2.9% 38% 49% 4%[ak] 9%
Fabrizio, Lee & Associates (R)[367][J] January 20–24, 2026 800 (LV) ± 3.5% 45% 44% — 11%
Workbench Strategy (D)[204][A] December 11–16, 2025 900 (LV) ±4.4% 50% 50% — —
Pan Atlantic Research[205] November 29 – December 7, 2025 820 (LV) ± 3.7% 42% 43% — 15%
Maine People's Resource Center[207][B] October 26–29, 2025 783 (LV) ± 3.5% 41% 45% — 14%
Zenith Research (D)[368][M] October 7–10, 2025 501 (LV) ± 4.4% 38% 38% 10%[al] 15%

Susan Collins vs. generic Democrat

Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Generic
Democrat
Undecided
Tavern Research (D)[360] June 5–8, 2026 1,642 (LV) ± 2.8% 45% 55% —
Cygnal (R)[369] November 10–11, 2025 600 (LV) ± 4.0% 41% 49% 11%
Susan Collins vs. Dan Kleban
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Dan
Kleban (D)
Undecided
Public Policy Polling (D)[370][N] September 8–9, 2025 642 (RV) — 35% 44% 21%

Susan Collins vs. Janet Mills

Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Janet
Mills (D)
Other Undecided
Public Policy Polling (D)[352][I] July 7, 2026 785 (LV) — 48% 37% — 15%
Wedgewood Polls[353] July 4–6, 2026 405 (LV) ± 5.8% 47% 47% — 6%
Tavern Research (D)[360] June 5–8, 2026 1,642 (LV) ± 2.8% 48% 52% — —
April 30, 2026 Mills suspends her campaign
Echelon Insights (R)[365][K] April 3–9, 2026 378 (LV) ± 6.3% 46% 48% — 6%
Maine People's Resource Center (D)[199][B] March 20–31, 2026 1,167 (LV) ± 2.9% 45% 42% — 9%
Emerson College[200] March 21–23, 2026 1,075 (LV) ± 2.9% 43% 46% 8%[am] 3%
OnMessage Public Strategies (R)[366][L] March 3–8, 2026 600 (LV) ± 4.0% 42% 42% — 16%
Quantus Insights (R)[202] March 5, 2026 800 (LV) ± 3.4% 45% 43% 7%[an] 6%
Pan Atlantic Research[203] February 13 – March 2, 2026 810 (LV) ± 3.7% 44% 44% — 12%
University of New Hampshire[37] February 12–16, 2026 1,105 (LV) ± 2.9% 40% 41% 9%[ao] 10%
Fabrizio, Lee & Associates (R)[367][J] January 20–24, 2026 800 (LV) ± 3.5% 45% 44% — 11%
Workbench Strategy (D)[204][A] December 11–16, 2025 900 (LV) ±4.4% 51% 49% — —
Pan Atlantic Research[205] November 29 – December 7, 2025 820 (LV) ± 3.7% 43% 43% — 14%
Maine People's Resource Center[207][B] October 26–29, 2025 783 (LV) ± 3.5% 46% 42% — 14%
Zenith Research (D)[368][M] October 7–10, 2025 501 (LV) ± 4.4% 37% 42% 10%[al] 12%
Susan Collins vs. Nirav Shah
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Nirav
Shah (D)
Undecided
Z to A Research (D)[351][H] July 7–8, 2026 988 (LV) ± 3.1% 46% 47% 5%
Public Policy Polling (D)[352][I] July 7, 2026 785 (LV) — 45% 45% 10%
Susan Collins vs. Jordan Wood
Poll source Date(s)
administered
Sample
size[b]
Margin
of error
Susan
Collins (R)
Jordan
Wood (D)
Undecided
Public Policy Polling (D)[352][I] July 7, 2026 785 (LV) — 47% 38% 15%

Results

[edit]
2026 United States Senate election in Maine
Party Candidate Votes %
Republican Susan Collins (incumbent)
Democratic Troy Jackson
Total votes

Notes

[edit]
  1. ↑ Angus King, who was elected in 2012 and re-elected in 2018 and 2024, is an independent who caucuses with the Democrats, but is not a member of the party.
  2. 1 2 3 4 5 6 7 8 9 10 11 Key:
    A – all adults
    RV – registered voters
    LV – likely voters
    V – unclear
  3. ↑ "Another candidate" with 1%
  4. ↑ "Write in someone else" with 4%
  5. ↑ Resigned as campaign political director and withdrew endorsement after controversy around old Reddit comments.
  6. ↑
  7. ↑
  8. 1 2 3 4 5 Withdrawn candidate
  9. ↑ Campaign suspended
  10. ↑ Calculated by taking the difference of 100% and all other candidates combined.
  11. ↑ David Costello with 4%; Andrea LaFlamme with 2%
  12. ↑ David Costello with 2.9%; Andrea LaFlamme with 1.6%
  13. ↑ LaFlamme with 2%
  14. ↑ "Another Democrat candidate" with 28%
  15. ↑ "Another candidate" with 2%
  16. ↑ LaFlamme and "Someone else" with 2%
  17. ↑ LaFlamme with 2%; "Another candidate" with 1%; Evans and Favreau with 0%
  18. ↑ Evans and LaFlamme with 1%; Favreau with 0%
  19. ↑ With undecided and Wood votes re-allocated based on second-choice preference
  20. ↑ "Write in someone else" with 1%; Evans, Favreau, and LaFlamme with 0%
  21. ↑ There is inconsistency between reports of the exact number of delegates that pledged for Jackson. The Bangor Daily News, in their breakdown of county meeting results, reported 456 Jackson delegates.[236] Maine Morning Star reported 478 Jackson delegates.[237] Jackson's campaign gave a figure of 481 delegates.[238]
  22. ↑ "Another candidate" with 3%; Ashley Webb with 0%
  23. ↑ "Someone else" with 7%; Valli Geiger with 1%
  24. 1 2 The convention consisted of 601 delegates, including 101 members of the Maine Democratic State Committee; this table features only the 500 delegates elected in county caucuses. Figures are given per reporting by the Bangor Daily News.
  25. ↑ The Economist's prediction model uses unconventional terminology. For the purpose of equivalency, their "Very Likely" ratings are formatted as a "Likely" rating while "Likely" ratings are formatted as a "Lean" rating.
  26. ↑ "Another candidate" with 1%
  27. ↑ Including voters who lean toward a candidate
  28. 1 2 3 "Someone else" with 2%
  29. 1 2 "Someone else" with 1%
  30. ↑ "Neither" with 4%
  31. ↑ "Another candidate" with 4%
  32. ↑ "Another candidate" with 9%
  33. 1 2 "Another candidate" with 2%
  34. ↑ "Would not vote" with 1%
  35. ↑ "Someone else" with 6%
  36. ↑ "Someone else / Third party" with 3%; "Would not vote" with 1%
  37. ↑ "Another candidate" with 4%
  38. 1 2 "Another candidate" with 9%; "Would not vote" with 1%
  39. ↑ "Someone else" with 8%
  40. ↑ "Someone else / Third party" with 6%; "Would not vote" with 1%
  41. ↑ "Another candidate" with 9%

Partisan client

  1. 1 2 3 4 5 Poll sponsored by Platner's campaign.[204]
  2. 1 2 3 4 5 6 Pollster affiliated with the Maine People's Alliance, which has endorsed Platner's campaign.[150]
  3. ↑ Poll commissioned by gubernatorial candidate Troy Jackson, who has endorsed Platner's campaign.[119]
  4. ↑ Poll sponsored by the Progressive Change Campaign Committee, which has endorsed Platner's campaign.
  5. ↑ Poll conducted for CNN
  6. 1 2 Poll conducted for Fox News
  7. ↑ Poll sponsored by Senate Majority PAC, which is focused on electing Democrats to the U.S. Senate
  8. 1 2 3 Poll commissioned by a pro-Shah group
  9. 1 2 3 4 5 6 Poll sponsored by Platner's campaign.
  10. 1 2 3 Poll sponsored by Pine Tree Results, a Collins-aligned Super PAC.
  11. 1 2 Poll commissioned by NetChoice
  12. 1 2 Poll sponsored by the Insurance Watchdog Coalition.
  13. 1 2 Poll sponsored by More Perfect Union, a progressive non-profit news media organization.
  14. ↑ Poll sponsored by Kleban's campaign.

References

[edit]
  1. ↑ Nechin, Etan (May 4, 2026). "Jewish Political Groups Withhold Support From Graham Platner After He Emerges as Maine Democratic Frontrunner". Haaretz.com.
  2. ↑ "Your Vote 2026". Maine Public. Retrieved May 8, 2026.
  3. ↑ "Maine elections, 2026". Ballotpedia. Retrieved September 5, 2025.
  4. ↑ Mistler, Steve (February 10, 2026). "Susan Collins formalizes reelection bid, will seek sixth term". Maine Public.
  5. ↑ "Maine U.S. Senate Election 2026: Latest Polls". The New York Times. January 16, 2026 – via NYTimes.com.
  6. ↑ Cover, Susan (November 6, 2024). "Maine Democrats say they won enough seats to control state Senate". Spectrum News. Retrieved December 7, 2024.
  7. ↑ Scanlan, Quinn (July 11, 2020). "Susan Collins, Congress's last New England Republican, facing toughest reelection yet". ABC News. Retrieved August 1, 2025.
  8. ↑ Everett, Burgess (November 4, 2020). "Collins wins again in Maine, boosting Senate GOP". Politico. Retrieved December 7, 2024.
  9. ↑ Sullivan, Andy; Erickson, Bo (March 2, 2026). "Eight US Senate races to watch in the 2026 midterm elections". Reuters. Retrieved April 2, 2026.
  10. ↑ Kondik, Kyle (December 5, 2024). "The End of the Line for Red State Senate Democrats". Sabato's Crystal Ball. Retrieved July 9, 2025. Collins is now the lone outlier among all 100 senators as someone who continues to hold a Senate seat in a state that hasn't supported her party's presidential nominee in decades. Such outliers were important parts of past recent Democratic Senate majorities, but they will now be all gone.
  11. ↑ Coleman, J. Miles (July 11, 2024). "The Shocking Decline of Senate Ticket-Splitting". Sabato's Crystal Ball. Retrieved April 27, 2023.
  12. ↑ Stanton, Andrew (November 14, 2024). "Susan Collins' Reelection Plan Throws a Wrench in Democrats' Senate Hopes". Newsweek. Retrieved November 14, 2024.
  13. ↑ Mutnick, Ally (April 17, 2025). "Democrat eyes challenge to Susan Collins in Maine". Politico.
  14. ↑ Gonzales, Nathan L. (January 8, 2025). "How the decline of personal political brands hurts Senate Democrats". Roll Call.
  15. 1 2 3 4 Collins, Susan (February 10, 2026). "Susan Collins: I'm running for reelection because experience and independence matter for Maine". Bangor Daily News. Retrieved February 10, 2026.
  16. ↑ Kobin, Billy (April 19, 2025). "Who will Democrats find to run against Susan Collins in 2026?". Piscataquis Observer. Archived from the original on April 19, 2025. Retrieved April 27, 2025.
  17. ↑ Davis, Emma (June 5, 2025). "Eyeing a sixth term, Collins is facing pressure from both sides". Maine Morning Star. Retrieved September 16, 2025.
  18. 1 2 Collins, Steve (February 18, 2025). "A Frenchville Republican challenges Susan Collins". Sun Journal. Retrieved February 19, 2025.
  19. ↑ Pendharkar, Eesha; McCauley, Lauren (March 16, 2026). "Here's the final list of who is running in Maine's June primary elections". Maine Morning Star. Retrieved March 17, 2026.
  20. 1 2 Reed, Russ (March 16, 2026). "Here's who qualified to appear on Maine 2026 primary ballot". WMTW. Retrieved March 17, 2026.
  21. ↑ Calabrese, Carmen. "Carmen Calabrese Withdraws From Senate Primary". Facebook.
  22. ↑ "Bill Clarke announces Senate run to challenge Sen. Susan Collins". WGME. October 17, 2025. Retrieved October 17, 2025.
  23. ↑ Clarke, Bill. "Home". Bill Clarke for US Senate. Retrieved January 8, 2025. 11/17/25 – Having "tested the waters", and not secured the support I had hoped to at this point, I've decided to end my campaign.
  24. ↑ Gomez, Henry (May 14, 2026). "Vance calls Sen. Susan Collins 'a good fit for Maine' despite his frustrations with her". NBC News. Retrieved May 14, 2026.
  25. ↑ Weaver, Al (February 10, 2026). "Collins stares down tough reelection bid". The Hill.
  26. ↑ Benson, Samuel (May 8, 2026). "Mitt Romney is back (sort of)". Politico. Retrieved May 8, 2026.
  27. 1 2 Otterbein, Holly (February 10, 2026). "Susan Collins announces 2026 reelection bid". Politico. Retrieved May 1, 2026.
  28. 1 2 Savir, Tal (March 16, 2026). "Thune's political group puts down $10 million for Collins". Axios. Retrieved April 30, 2026.
  29. ↑ Davis, Emma (November 17, 2025). "Laurel Libby opts out of reelection to instead fundraise for Susan Collins and conservative causes". Maine Morning Star. Retrieved November 17, 2025.
  30. ↑ "AIPAC Political Portal". candidates.aipacpac.org. Retrieved April 28, 2025.
  31. ↑ "2026 GOP Clean Energy Leaders". ClearPath Action Fund. Retrieved January 28, 2026.
  32. ↑ "22 Republicans endorsed by LGBT organization: Full list of names". Newsweek. February 3, 2026. Retrieved February 4, 2026.
  33. ↑ "Uncertain Times". August 9, 2025. Retrieved May 28, 2026.
  34. ↑ "RJC Endorses Senators Collins (ME), Cornyn (TX), Graham (SC), Tillis (NC)". Republican Jewish Coalition. May 25, 2025. Retrieved September 2, 2026.
  35. ↑ Cai, Sophia; Gangtiano, Alex (January 14, 2026). "Trump has no plans to endorse in final 3 Senate races". Politico. Retrieved March 1, 2026.
  36. 1 2 3 "2026 Election United States Senate – Maine". fec.gov. Federal Election Commission. Retrieved April 23, 2025.
  37. 1 2 3 4 McKinley, Sean P.; Smith, Andrew E.; Azem, Zachary S.; Keirns, Tracy (February 24, 2026). "In Maine Senate Race, Platner Leads Mills in Primary and Collins in General Election Matchup". University of New Hampshire. Retrieved February 24, 2026.
  38. 1 2 McKinley, Sean P.; Smith, Andrew E.; Azem, Zachary S.; Keirns, Tracy (October 23, 2025). "Early Look at Maine Primary Races: Platner Leads Mills, Collins Far Ahead of Unknown GOP Challengers". University of New Hampshire. Retrieved October 23, 2025.
  39. ↑ Cover, Susan (April 24, 2025). "Democrat announces bid to unseat Maine Sen. Susan Collins". Spectrum News. Retrieved October 27, 2025.
  40. ↑ Otterbein, Holly (August 19, 2025). "Maine oyster farmer wants to upend Democratic politics with Senate bid". Politico.
  41. ↑ Shapiro, Lisa Wood (September 25, 2025). "Can a Maine Oyster Farmer Defeat a Five-Term Republican Senator?". The New Yorker. ISSN 0028-792X. Retrieved October 9, 2025.
  42. ↑ "Why Graham Platner's meteoric rise is so unexpected". Politico. February 22, 2026.
  43. ↑ Graham, Gillian (October 10, 2025). "Report: Gov. Janet Mills to launch U.S. Senate campaign on Tuesday". Portland Press Herald. Retrieved October 10, 2025.
  44. ↑ Bowman, Bridget (October 14, 2025). "Maine Gov. Janet Mills launches Senate run against one of Democrats' top 2026 targets". NBC News. Retrieved October 15, 2025.
  45. ↑ Multiple sources:
  46. 1 2 Kondik, J. Miles Coleman and Kyle (October 16, 2025). "Maine Senate Primary Tests Whether Democrats Will Keep Deferring to Their Leaders". Sabato's Crystal Ball. Retrieved November 26, 2025.
  47. ↑ Multiple sources:
  48. ↑ Parks, Molly (October 9, 2025). "Sanders publicly discourages Janet Mills run for Maine Senate seat". Washington Examiner. Retrieved October 10, 2025.
  49. 1 2 3 Kobin, Billy (October 14, 2025). "Maine Beer Co. leader Dan Kleban leaves Senate race to endorse Janet Mills". Bangor Daily News. Retrieved October 14, 2025.
  50. ↑ @DairaForME (October 23, 2025). "Today, I am formally suspending my campaign. I want to thank my team, our volunteers, and everyone who supported our fight. I look forward to continuing to fight alongside Maine activists as we work to protect our communities in these trying times" (Tweet) – via X (formerly Twitter).
  51. 1 2 3 Mancini, Ryan (October 24, 2025). "Maine Senate candidate drops out, citing Platner's post on military rape". The Hill. Retrieved February 2, 2026.
  52. 1 2 St Pierre, Ariana (November 12, 2025). "Senate candidate Jordan Wood drops out to run for Maine's 2nd District seat". WGME. Retrieved November 12, 2025.
  53. ↑ "Graham Platner to take campaign hiatus to travel to Norway for IVF with wife". newscentermaine.com. January 11, 2026. Retrieved January 12, 2026.
  54. ↑ "Platner calls Collins' ICE announcement 'pinky promise'". spectrumlocalnews.com. Retrieved February 10, 2026.
  55. ↑ Davis, Emma (February 24, 2026). "Mills announces series of Democratic debates in lead up to U.S. Senate primary". Maine Morning Star. Retrieved February 24, 2026.
  56. ↑ Kail, Benjamin (March 16, 2026). "A 3rd Democrat joins Janet Mills and Graham Platner in Maine's US Senate primary". Bangor Daily News. Retrieved March 17, 2026.
  57. 1 2 "Bangor woman who wrote chalk messages outside Susan Collins' house is running for Senate". Bangor Daily News. February 23, 2026. Retrieved March 2, 2026.
  58. ↑ "Graham Platner surge threatens Susan Collins as Janet Mills bows out". Newsweek. April 30, 2026. Retrieved May 1, 2026.
  59. ↑ "Leading in Primary by 38 Points, Platner Takes Aim at Collins' Wall Street Cash and Iran War Support". Common Dreams. Retrieved April 9, 2026.
  60. ↑ "Janet Mills drops attack ads, but is still 'full steam ahead' in US Senate primary". The Portland Press Herald. April 8, 2026. Retrieved April 9, 2026.
  61. ↑ "Maine Gov. Janet Mills suspends Senate campaign". NBC News. April 30, 2026. Retrieved April 30, 2026.
  62. ↑ Mueller, Julia; Parnes, Amie (April 30, 2026). "Democrats coalesce around Platner as Mills exits Maine Senate race". The Hill. Retrieved May 1, 2026.
  63. ↑ Kail, Benjamin (May 5, 2026). "Janet Mills hasn't formally exited Maine's Democratic US Senate primary". Bangor Daily News. Retrieved May 11, 2026.
  64. ↑ Bishop, Bonnie (May 6, 2026). "Maine Democrat David Costello makes his second bid for US Senate". WMTW. Retrieved May 11, 2026.
  65. ↑ "Maine U.S. Senate primary results". AP News. Associated Press. Retrieved June 10, 2026.
  66. ↑ Mistler, Steve (June 11, 2026). "Graham Platner gets more primary votes than any other Democratic Senate candidate in Maine history". Bangor Daily News. Retrieved July 11, 2026.
  67. ↑ "DNC Chair Ken Martin says Maine Senate candidate's Reddit posts are 'hurtful' but not disqualifying". NBC News. October 19, 2025. Retrieved October 23, 2025.
  68. ↑ Reed, Russ (October 23, 2025). "Maine Senate candidate Platner says he's covered up tattoo resembling Nazi symbol". WMTW. Retrieved October 23, 2025.
  69. ↑ Weir, Keziah (October 23, 2025). "Graham Platner—and His Mom—Try to Move Past Tattoo Scandal at a Maine Town Hall". Vanity Fair. Retrieved October 23, 2025.
  70. ↑ Otterbein, Holly; Thompson, Alex (October 21, 2025). "Maine Dem Senate candidate embraced 'antifa supersoldier' label". Axios. Retrieved October 28, 2025.
  71. ↑ Forbes Breaking News (October 26, 2025). 'He Sounds Like A Human Being To Me': Chris Murphy Responds To Maine Senate Candidate's Nazi Tattoo. Retrieved November 26, 2025 – via YouTube.
  72. ↑ Kassel, Matthew (October 27, 2025). "Graham Platner's credibility under fire in Maine Senate campaign". Jewish Insider. Retrieved November 26, 2025.
  73. 1 2 Popat, Shrai (November 3, 2025). "'In this 'til the end': Maine Senate hopeful Graham Platner on refusing to quit amid furor over 'Nazi' tattoo". The Guardian. ISSN 0261-3077. Retrieved November 26, 2025.
  74. ↑ "Graham Platner says he's no John Fetterman. But he gets the concerns". NBC News. November 8, 2025. Retrieved November 26, 2025.
  75. ↑ Griffing, Alex (February 26, 2026). "Progressive Senate Candidate Graham Platner Deletes Tweet Boosting Notorious Neo-Nazi". Mediaite. Retrieved February 28, 2026.
  76. ↑ Fields, Ashleigh (February 26, 2026). "Platner deletes social media post promoting far-right figure Stew Peters". The Hill. Retrieved February 28, 2026.
  77. ↑ "Graham Platner once again under fire for a now-deleted social media post". The Portland Press Herald. February 27, 2026. Retrieved February 28, 2026.
  78. ↑ "An increasingly risky bet for Democrats in Maine". The Economist. ISSN 0013-0613. Retrieved June 3, 2026.
  79. ↑ Glueck, Katie; Lerer, Lisa (June 4, 2026). "Several Women Who Dated Graham Platner Recall 'Unsettling' Behavior". The New York Times. ISSN 0362-4331. Retrieved June 10, 2026.
  80. ↑ Whittle, Patrick (June 5, 2026). "Graham Platner denies an ex-girlfriend's report that he once twisted her arm, held her in a room". WBUR. Associated Press. Retrieved June 10, 2026.
  81. ↑ "Maine voters set up a Senate showdown: Graham Platner versus Susan Collins". NBC News. June 10, 2026. Retrieved June 10, 2026.
  82. ↑ Koseff, Alexei; Merica, Dan (July 8, 2026). "Graham Platner ends U.S. Senate campaign in Maine". The Washington Post. Retrieved July 8, 2026.
  83. 1 2 "Secretary of State's Office confirms receipt of official withdrawal by US Senate candidate Graham Platner". www.maine.gov. July 10, 2026. Retrieved July 10, 2026.
  84. ↑ Billings, Randy (June 11, 2025). "Brunswick Democrat announces campaign for Susan Collins' Senate seat". Portland Press Herald. Retrieved June 11, 2025.
  85. ↑ LaFlamme, Andrea (March 16, 2026). "Post by @andrealaflamme.bsky.social". Bluesky. Retrieved March 19, 2026.
  86. ↑ "Meet the Candidates". Lincoln County Democratic Committee. Retrieved March 26, 2026.
  87. ↑ Fields, Ashleigh. "Mills reminds Maine voters she's on ballot amid Platner sexting story". The Hill. Retrieved June 1, 2026.
  88. ↑ Davis, Emma (October 14, 2025). "Mills' U.S. Senate campaign ignites battle between establishment and grassroots Democrats". Maine Morning Star. Retrieved October 27, 2025.
  89. ↑ Cover, Susan (June 12, 2025). "Democrat enters race to challenge Maine Sen. Susan Collins". Spectrum News. Retrieved July 16, 2025.
  90. ↑ "Tucker Favreau for Senate on Facebook". www.facebook.com. January 30, 2026. Retrieved January 30, 2026.
  91. 1 2 3 4 5 6 7 "Who's endorsing Graham Platner now, and who still isn't backing him?". The Portland Press Herald. May 1, 2026. Retrieved May 2, 2026.
  92. ↑ Miller, Kevin (July 21, 2025). "Who will challenge Susan Collins in 2026?". Maine Public. Retrieved July 27, 2025.
  93. ↑ Seitz-Wald, Alex [@aseitzwald] (December 17, 2025). "Maine AG Aaron Frey, a rising Maine Dem star, endorses Janet Mills for the U.S. Senate" (Tweet) – via X (formerly Twitter).
  94. ↑ Friedman, Amanda (May 20, 2025). "Jared Golden opts for reelection bid in Trump-favored district". Politico. Retrieved September 22, 2025.
  95. ↑ "Battleground Rep. Jared Golden will not seek reelection". Politico. November 5, 2025. Retrieved November 13, 2025.
  96. ↑ Ohm, Rachel (May 27, 2025). "Who will Maine Democrats run against Susan Collins?". Portland Press Herald. Retrieved May 27, 2025.
  97. ↑ Reich, Robert (November 21, 2025). "Robert Reich Thinks Democrats Are On the Brink of a New Era". The Intercept Briefing (Interview). Interviewed by Lacy, Akela. The Intercept. Retrieved July 8, 2026.
  98. ↑ Reich, Robert (July 7, 2026). "Platner Must Exit, Now". Retrieved July 7, 2026 – via Substack.
  99. ↑ Fetherston, Jon (April 30, 2026). "Shah Moves Quickly to Back Platner After Mills Drops Senate Bid, Cementing Democratic Realignment". The Maine Wire. Retrieved April 30, 2026.
  100. 1 2 3 Burns, Christopher (July 7, 2026). "In their own words: Maine politicians react to the rape allegation against Graham Platner". Bangor Daily News. Retrieved July 8, 2026.
  101. 1 2 3 4 5 6 Pellish, Aaron; Steakin, Will; Kashinsky, Lisa; Hernandez, Alec (July 6, 2026). "Democrats have abandoned Graham Platner". Politico. Retrieved July 7, 2026.
  102. 1 2 3 Kruesi, Kimberlee; Whittle, Patrick (April 30, 2026). "Maine Gov. Janet Mills drops U.S. Senate bid ahead of primary against Graham Platner". WBUR-FM. Retrieved April 30, 2026.
  103. ↑ Blanchard, Jack; Burns, Dasha (March 10, 2026). "Trump's dynamic duo needs more work". Politico. Retrieved March 10, 2026.
  104. 1 2 3 "Live Updates: Calls Mount for Platner to End Campaign After Rape Accusation". The New York Times. July 6, 2026. Retrieved July 6, 2026.
  105. ↑ Brennan, Hannah (May 28, 2026). "WATCH: Dem senator says Platner's struggles speak to 'regular people' amid backlash over resurfaced posts". Fox News. Retrieved July 7, 2026.
  106. 1 2 Svirnovskiy, Gregory; Ibarguen, Emilio Perez (July 7, 2026). "Most Senate Dems say Platner should drop out. Here's where they all stand". Politico. Retrieved July 7, 2026.
  107. ↑ Ewing, Giselle Ruhiyyih (August 30, 2025). "Sanders wades into one of Democrats' best Senate pickup opportunities". Politico. Retrieved August 30, 2025.
  108. ↑ Howard, Andrew (July 7, 2026). "Bernie Sanders says he told Graham Platner to 'step aside'". Politico. Retrieved July 7, 2026.
  109. ↑ Kail, Benjamin (June 8, 2026). "Maine Democrats speak cautiously about Graham Platner ahead of Tuesday's primary". Bangor Daily News. Retrieved July 7, 2026.
  110. ↑ "Why progressives are refusing to drop Graham Platner". Politico. June 9, 2026.
  111. 1 2 Faircloth, Ryan; Kashiwagi, Sydney (July 7, 2026). "Walz, Smith join calls for Graham Platner to exit Maine Senate race". The Minnesota Star Tribune. Retrieved July 8, 2026.
  112. ↑ Billings, Randy (March 19, 2026). "Elizabeth Warren backs Graham Platner in Maine's Senate primary". The Portland Press Herald. Retrieved March 19, 2026.
  113. ↑ Briceno, Leo; Cawthorne, Cameron (June 5, 2026). "Dem senator bankrolling Platner's campaign ripped for downplaying abuse allegations in bombshell report". Fox News. Retrieved July 7, 2026.
  114. ↑ Nesi, Ted (July 7, 2026). "Whitehouse yanks endorsement for embattled Platner after $10,000 donation". WPRI. Retrieved July 7, 2026.
  115. 1 2 Davis, Emma (April 30, 2026). "With Mills out, Democrats line up behind Platner as he reiterates his vision for the party". Maine Morning Star. Retrieved May 1, 2026.
  116. ↑ "Secretary of State Shenna Bellows calls on Platner to end Senate campaign". WGME. July 8, 2026. Retrieved July 8, 2026.
  117. ↑ Flisiuk, Francis (May 1, 2026). "Minnesota Gov. Tim Walz to campaign with Graham Platner in Portland". WMTW. Retrieved May 1, 2026.
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  119. 1 2 "Platner Holds 7-Point Lead Over Mills in Poll That Found Him Behind Just 3 Months Ago". Common Dreams. Retrieved March 4, 2026. ...and as the latest poll was released Wednesday, Democratic Maine gubernatorial candidate Troy Jackson offered his endorsement.
  120. ↑ "Graham Platner's political director resigns over candidate's controversial comments". WMTW. October 17, 2025. Retrieved October 18, 2025.
  121. ↑ Stackhouse, Terry (May 19, 2026). "Gov. Mills endorses Hannah Pingree in race for governor". WMTW. Retrieved July 6, 2026.
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  123. ↑ "Graham Platner, with Elizabeth Warren in Maine, hits his frontrunner stride". The Portland Press Herald. April 19, 2026. Retrieved April 20, 2026. Graham Platner refuses to take Joanne Twomey's $100 that Twomey wanted to contribute to Platner's campaign during Saturday's rally at the Holiday Inn by the Bay in Portland. Twomey said that she will also donate the $300 relief check she will receive from Gov. Janet Mills to Platner's campaign for U.S. Senate.
  124. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 "Platner seems on track to face Collins after Mills suspends Senate campaign". April 30, 2026.
  125. ↑ Kail, Benjamin; Shepherd, Michael (April 30, 2026). "Democrats line up behind Graham Platner after Janet Mills leaves US Senate primary". Bangor Daily News.
  126. ↑ WGME-TV (September 26, 2025). Senate candidate Graham Platner hosts town hall event in Portland. Retrieved September 29, 2025 – via YouTube.
  127. ↑ Brodey, Sam (November 3, 2025). "Despite damaging revelations, Susan Collins challenger Graham Platner is resilient – The Boston Globe". BostonGlobe.com. Retrieved November 3, 2025.
  128. ↑ Egan, Lauren (October 20, 2025). "How Maine Became a Fight for the Soul of the Democratic Party". The Bulwark. Retrieved October 20, 2025. ...said former Waterville mayor Karen Heck, who is supporting Platner in the primary.
  129. ↑ Goldberg, Michelle (October 31, 2025). "Opinion | Elite Democrats Are Getting the Graham Platner Phenomenon All Wrong". The New York Times. Retrieved October 31, 2025.
  130. 1 2 3 4 Vakil, Caroline (October 14, 2025). "Democratic youth-focused groups endorse Graham Platner in Maine Senate race". The Hill. Retrieved October 14, 2025.
  131. ↑ Mancini, Ryan (July 6, 2026). "Platner faces calls to step down after new accusations". The Hill. Retrieved July 7, 2026.
  132. ↑ Chianca, Peter (September 7, 2025). "Watch: Dropkick Murphys blast Trump, but stump for a longshot New England candidate". Boston.com.
  133. ↑ Cox, Ann Marie (August 29, 2025). "The Political Awakening of the Oyster Farmer Taking on Susan Collins". The New Republic. ISSN 0028-6583. Retrieved September 19, 2025.
  134. ↑ Smith, David (June 10, 2026). "Is he Bernie Sanders or Donald Trump? Protest vote complicates Graham Platner's victory". The Guardian. Retrieved June 10, 2026. It was over the moment he received the endorsement of Maine's most famous resident: Stephen King, the master of horror, who announced on Tuesday that he voted for Graham Platner.
  135. ↑ Tusinski, Dylan (September 1, 2025). "Bernie Sanders backs Graham Platner, Troy Jackson at Labor Day rally in Portland". Lewiston Sun Journal. Retrieved September 2, 2025.
  136. 1 2 Wardwell, Faith; Kashinsky, Lisa; Howard, Andrew (November 12, 2025). "Maine Democrat drops Senate bid for battleground House run". Politico. Retrieved November 19, 2025. Wood declined to endorse in the Senate race following his withdrawal, but said he'd "support whoever the Democratic nominee is".
  137. ↑ "Maine Democrat: Graham Platner causing 'distrust' by delaying formal exit". CNN. July 9, 2026. Retrieved July 10, 2026.
  138. ↑ Cover, Susan (May 1, 2026). "Vowing to put 'boots on the ground,' Maine AFL-CIO endorses Platner for Senate". Spectrum News. Retrieved July 10, 2026.
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  140. ↑ "Unions privately urge Chuck Schumer and Democratic leaders to stay out of Maine's Senate primary". NBC News. February 27, 2026. Retrieved February 27, 2026.
  141. ↑ "IFPTE Weighs-In on Maine Senate Race – Endorses Graham Platner for United States Senate". IFPTE. September 17, 2025. Retrieved September 18, 2025.
  142. ↑ McCosker, Cait (September 18, 2025). "Platner and Jackson endorsed by Maine State Nurses Association". WMTW. Retrieved September 18, 2025.
  143. ↑ "Maine nurses announce major endorsements in key 2026 races". National Nurses United. September 18, 2025. Retrieved April 7, 2026.
  144. ↑ Mayhugh, Justin (October 15, 2025). "UAW Endorses Graham Platner for U.S. Senate in Maine". UAW. Retrieved October 15, 2025.
  145. ↑ "UAW Region 9A Weekly Newsletter: July 10". region9a.uaw.org/. July 10, 2026.
  146. ↑ Wiggins, Christopher (July 6, 2026). "Graham Platner's allies turn on him after bombshell sexual assault report". The Advocate. Retrieved July 8, 2026.
  147. ↑ @collegedems; (July 6, 2026). "The Maine College Democrats and College Democrats of America rescind our endorsements of Graham Platner". Retrieved July 6, 2026 – via Instagram.
  148. ↑ "Today, we're rescinding our endorsement of Maine U.S. Senate candidate Graham Platner and calling on him to immediately withdraw from the race". X. July 6, 2026. Retrieved July 6, 2026.
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  150. 1 2 Steinmetz, Channa (February 4, 2026). "Maine People's Alliance endorses Graham Platner in 2026 Democratic Senate Primary – Maine Beacon". mainebeacon.com. Retrieved February 5, 2026.
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  152. ↑ "Our Revolution — Endorsements". Our Revolution. Retrieved November 11, 2025.
  153. ↑ Our Revolution [@OurRevolution] (July 6, 2026). "Our statement on Graham Platner. To the Democratic establishment: this is not your opening" (Tweet). Retrieved July 6, 2026 – via X (formerly Twitter).
  154. ↑ "PCCC Hosts Polling Brief and Announcement with U.S. Maine Senate Candidate Graham Platner". Progressive Change Campaign Committee. December 3, 2025.
  155. ↑ Progressive Victory [@ProgressiveVic] (July 6, 2026). "We have seen enough, the new allegations against @grahamformaine make it clear that he is not what we believed him to be. No rapist can call themselves a progressive and expect to get away with it in the end. We unequivocally revoke our endorsement and demand he drop out" (Tweet) – via X (formerly Twitter).
  156. ↑ "Standing Up to the Billionaire Agenda: A conversation with Graham Platner". Showing Up for Racial Justice. March 24, 2026.
  157. ↑ @showingupforracialjustice; (July 7, 2026). "SURJ rescinds our endorsement of Graham Platner and calls on him to withdraw from the Maine Senate race before next week's deadline". Retrieved July 21, 2026 – via Instagram.
  158. ↑ "Sierra Club Maine Endorses Graham Platner for US Senate". Munjoy Hill News. April 23, 2026. Retrieved April 24, 2026.
  159. ↑ "Sierra Club withdraws support of Platner". Portland Press Herald. July 7, 2026. Retrieved July 7, 2026.
  160. ↑ Track AIPAC [@trackaipac] (July 6, 2026). "The allegations against Maine Senate candidate Graham Platner make it impossible for Track AIPAC to continue our support. We are revoking our endorsement immediately and urge Platner to resign from the race" (Tweet). Retrieved July 6, 2026 – via X (formerly Twitter).
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  164. ↑ "Our 2026 Candidates". Working Families Party.
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  166. 1 2 Davis, Emma (September 3, 2025). "Maine Beer Company founder joins race against Susan Collins". Maine Morning Star. Retrieved September 5, 2025. After launching his campaign, Kleban announced later Wednesday Maine Senate President Mattie Daughtry and Lucas St. Clair, national board chair of the Trust for Public Land, as his campaign co-chairs.
  167. ↑ McCaskill, Nolan (October 14, 2025). "Democratic Maine Governor Janet Mills takes on US Senator Susan Collins". Reuters. Retrieved October 14, 2025.
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  171. 1 2 Vakil, Caroline (November 25, 2025). "Beshear, Whitmer endorse Janet Mills in Maine Senate race". The Hill.
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  186. ↑ "Jordan Wood". Patriotic Millionaires. Retrieved October 18, 2025.
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  190. ↑ Brams, Sophie. "House Democrat says Platner has 'disqualified himself' from Maine Senate race". Retrieved June 6, 2026.
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  224. ↑ Mundry, Jackie (July 7, 2026). "How does the state Democratic party choose a new candidate?". WMTW. Retrieved July 8, 2026.
  225. 1 2 Shepherd, Michael (July 8, 2026). "Maine Democrats approve 600-person convention to pick Graham Platner's replacement". Bangor Daily News. Retrieved July 9, 2026.
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  227. ↑ Mistler, Steve; Catalina, Andrew (July 11, 2026). "Maine Democrats outline process for nominating Graham Platner's replacement". Maine Public. Retrieved July 25, 2026.
  228. ↑ Davis, Emma; Pendharkar, Eesha (July 10, 2026). "Here's what we know about Maine Democrats' plan to replace Graham Platner". Maine Morning Star. Retrieved July 19, 2026.
  229. 1 2 Shepherd, Michael (July 18, 2026). "Everything to know about this weekend's chaotic Maine Senate caucuses". Bangor Daily News. Retrieved July 18, 2026.
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  231. ↑ Hernandez, Alec; Howard, Andrew; Piper, Jessica; Doherty, Erin (July 10, 2026). "'No one planned for this': The rapidly-evolving 18-day primary to replace Platner". Politico. Retrieved July 10, 2026.
  232. ↑ Epstein, Reid J. (July 6, 2026). "Who Might Replace Platner if He Drops Out? Here's What Could Happen". The New York Times. Retrieved July 19, 2026. They include Ms. Bellows, Troy Jackson, a former president of the Maine Senate, and Nirav Shah, a former director of Maine's public health agency.
  233. ↑ Piper, Jessica; Howard, Andrew (July 15, 2026). "Maine Democrats grapple with who is best to take over Graham Platner's movement". Politico. Retrieved July 19, 2026. The trio of former gubernatorial candidates are the leading figures in a crowded field aiming to win over a yet-to-be-selected group of 600 Democratic delegates.
  234. ↑ Sopher, Ittai; Park, Jane (July 9, 2026). "Two Democrats enter race to replace Graham Platner on the ballot in Maine". News Center Maine. Retrieved July 19, 2026.
  235. ↑ "Nirav Shah becomes first candidate to collects required signatures for Senate bid". WGME. July 13, 2026. Retrieved July 13, 2026.
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  238. ↑ Prichard, Matt (July 20, 2026). "Troy Jackson secures overwhelming support to be Maine's Democratic Senate nominee". NBC10 Boston. Retrieved July 25, 2026.
  239. ↑ Svitek, Patrick; Cohen, Ethan (July 18, 2026). "Troy Jackson, a former Graham Platner ally, well-positioned to win Maine Democrats' nomination to face Sen. Susan Collins". CNN. Retrieved July 18, 2026.
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  242. 1 2 Miller, Kevin (July 23, 2026). "Competition for Maine's Democratic Senate nomination down to 2 candidates". WBUR. Retrieved July 25, 2026.
  243. 1 2 3 4 Condon, Emily R.; Margie, Cullen (July 25, 2026). "Troy Jackson replaces Graham Platner as Maine Senate Democratic nominee". USA Today. Retrieved July 25, 2026.
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  245. 1 2 Placey, Fred (July 15, 2026). "Meet the 13 Democratic candidates looking to replace Graham Platner". WMTW. Retrieved July 15, 2026.
  246. 1 2 3 Ohm, Rachel (July 15, 2026). "Here are the Senate candidates who have officially filed to replace Graham Platner". Portland Press Herald. Retrieved July 15, 2026.
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  248. ↑ Reed, Russ (July 24, 2026). "David Costello drops out of race for Maine's Democratic Senate nomination; field down to 2 candidates". WMTW. Retrieved July 25, 2026.
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  253. 1 2 Davis, Emma (July 22, 2026). "Costello's exit nearly solidifies Jackson's presumptive Senate nominee status". Maine Morning Star. Retrieved July 23, 2026.
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  255. ↑ Betts, Stephen (July 13, 2026). "Former Rockland Representative Will Seek Democratic Nomination for Senate". Midcoast Villager. Retrieved July 14, 2026.
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  265. ↑ Hernandez, Alec (July 9, 2026). "Jordan Wood joins crowded Maine Senate race". Politico. Retrieved July 9, 2026.
  266. 1 2 "Jordan Wood drops out of Senate race, endorses Troy Jackson". WABI. July 19, 2026. Retrieved July 20, 2026.
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  271. ↑ Bartow, Adam (July 8, 2026). "Rep. Valli Geiger says Graham Platner is encouraging her, and others, to run for Senate". WMTW. Retrieved July 8, 2026.
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  274. ↑ Cohen, Ethan; John, Arit; Saenz, Arlette (July 7, 2026). "Maine Democrats dismiss Platner efforts to involve himself in how candidate gets picked if he ends Senate campaign". CNN. Retrieved July 8, 2026. 'If Congressman Golden wanted the nomination, he would have put his name forward many months ago,' Mario Moretto, the Golden spokesperson, said.
  275. ↑ Caldwell, Leigh Ann (July 8, 2026). "Platner Populism & The Jared Golden Rumors". Puck. Retrieved July 9, 2026. Rumors are swirling in D.C. that Rep. Jared Golden is being recruited for the Maine Senate seat ... But Golden told me late last week that there's no truth to the speculation. 'I have not received a single call from a senator,' he told me. When I asked if anyone called to recruit him, he said, 'It's all tweet storms.'
  276. ↑ Richardson, Heather Cox (July 7, 2026). Politics Chat, July 7, 2026 (video). Retrieved July 8, 2026 – via YouTube. ... the Maine Senate race, where people are talking about me being a candidate in that race. And I wanted you people to hear first that that is not going to happen.
  277. ↑ Merica, Dan; Koseff, Alexei (July 7, 2026). "Who could replace Senate candidate Graham Platner if he drops out". The Washington Post. Retrieved July 7, 2026. Rep. Ro Khanna (D-California), shortly after pulling his endorsement for Platner on Monday, touted former state Senate president Troy Jackson
  278. 1 2 Howard, Andrew; Hernandez, Alec; Steakin, Will; Sommerfeldt, Chris (July 7, 2026). "The race to replace Graham Platner has already begun". Politico. Retrieved July 9, 2026.
  279. ↑ Okun, Eli (July 19, 2026). "Maine Dems scramble for a Collins competitor". Politico. Retrieved July 19, 2026.
  280. ↑ Maine AFL-CIO (July 10, 2026). "The Maine AFL-CIO is proud to endorse former Senate President Troy Jackson for U.S. Senate!". Retrieved July 10, 2026 – via Facebook.
  281. ↑ Conley, Julia (July 19, 2026). "'Working-Class Organizing Wins': Troy Jackson Pulls Ahead in Race to Replace Platner in Maine". Common Dreams. Retrieved July 19, 2026.
  282. ↑ Graugard, Catherine (July 10, 2026). "UAW Endorses Former UAW Member Troy Jackson for U.S. Senate". region9a.uaw.org. Retrieved July 15, 2026.
  283. ↑ "Alliance for Retired Americans endorses Troy Jackson for Maine Senate". Alliance for Retired Americans. July 16, 2026. Retrieved July 16, 2026.
  284. 1 2 Gen-Z for Change [@genzforchange] (July 8, 2026). "To beat Susan Collins in November, Democrats must nominate a progressive who will fight for the working-class, anti-war agenda that over 70% of Mainers voted for in June. That progressive is @TroyJackson207. Gen-Z for Change and @sunrisemvmt are proud to support his candidacy" (Tweet). Retrieved July 9, 2026 – via X (formerly Twitter).
  285. ↑ Huiskes, Helen (July 7, 2026). "Sanders-founded organization backs Troy Jackson for Maine Senate". The Hill. Retrieved July 7, 2026.
  286. 1 2 Fox, Audrey (July 15, 2026). "Environmental Organizations Endorse Shenna Bellows". Friends of the Earth Action. Retrieved July 18, 2026.
  287. ↑ Burns, Christopher (July 10, 2026). "Senator urges Maine to reject Nirav Shah over his handling of a deadly outbreak in Illinois". Bangor Daily News. Retrieved July 10, 2026. U.S. Sen. Tammy Duckworth is calling on Maine Democrats to reject Nirav Shah as he seeks to replace Graham Platner in the state's closely watched U.S. Senate race.
  288. ↑ Carter, Claire (July 14, 2026). "Durbin joins Duckworth in opposing Maine's Nirav Shah over 2015 disease outbreak". Washington Examiner. Retrieved July 15, 2026.
  289. 1 2 3 4 5 Carney, Jordain; Reisman, Nick; Sommerfeldt, Chris (July 15, 2026). "'I'm staying out of Maine': Chuck Schumer sidelines himself with the Senate majority on the line". Politico. Retrieved July 15, 2026.
  290. ↑ Rupertus, Annie (July 16, 2026). "Janet Mills won't say who she wants to replace Graham Platner as Senate nominee". Bangor Daily News. Retrieved July 16, 2026.
  291. 1 2 McKinley, Sean P.; Smith, Andrew E.; Azem, Zachary S.; Keirns, Tracy (July 21, 2026). "Maine Democratic Primary Voters Want Jackson as Senate Nominee, in Close Race With Collins in General". University of New Hampshire. Retrieved July 21, 2026.
  292. ↑ "Maine Survey" (PDF). Blueprint Polling. Chism Strategies. Retrieved July 13, 2026.
  293. 1 2 "Who will replace Graham Platner? How to watch a LIVE debate with Maine Democrats hoping to be a nominee for U.S. Senate". News Center Maine. July 15, 2026 [July 14, 2026]. Retrieved July 15, 2026.
  294. ↑ Wright, David (July 20, 2026). "CNN and Bangor Daily News cancel Maine Senate debate as Democrats rally behind Troy Jackson". CNN. Retrieved July 20, 2026.
  295. ↑ Billings, Randy (January 21, 2026). "Maine independent joins race to unseat Susan Collins in U.S. Senate". The Portland Press Herald. Retrieved January 21, 2026.
  296. ↑ "Timothy Rich". Ballotpedia. June 24, 2026. Retrieved June 24, 2026.
  297. ↑ Fahlberg, Audrey (March 7, 2025). "Ex-Democrat SpaceX Engineer Challenging Maine Senator Susan Collins as an Independent". National Review. Retrieved April 12, 2025.
  298. ↑ Billings, Randy (December 15, 2025). "Former SpaceX engineer ends longshot bid for US Senate in Maine". Portland Press Herald. Retrieved December 15, 2025.
  299. ↑ Hubbard, Kaia; Linton, Caroline; Yilek, Caitlin; Walsh, Joe (September 13, 2026). "2026 midterm election races to watch". CBS News. Retrieved September 20, 2026.
  300. ↑ "2026 CPR Senate Race Ratings". Cook Political Report. Retrieved September 19, 2026.
  301. ↑ "2026 Senate Ratings". Decision Desk HQ. Retrieved September 19, 2026.
  302. ↑ "2026 Senate Forecast". The Economist. Retrieved September 19, 2026.
  303. ↑ "2026 Congressional Forecast". FiftyPlusOne. Retrieved September 19, 2026.
  304. ↑ Numa, Rémy (August 18, 2026). "Fox News Power Rankings: As Democrats turn left, Black voters tap the brakes". Fox News. Retrieved September 19, 2026.
  305. ↑ "Senate Ratings". Inside Elections. Retrieved September 19, 2026.
  306. ↑ "Battle for the Senate 2026". RealClearPolitics. Retrieved September 19, 2026.
  307. ↑ "2026 Senate ratings". Sabato's Crystal Ball. Retrieved September 19, 2026.
  308. 1 2 Silver, Nate; McKown-Dawson, Eli (September 19, 2026) [August 11, 2026]. "FLIPR 2026 midterm election forecast". Silver Bulletin. Archived from the original on September 20, 2026. Retrieved September 20, 2026 – via Substack.
  309. ↑ "Split Ticket 2026 Midterms Model". The Argument. Retrieved September 19, 2026 – via Substack.
  310. ↑ Flake, Jeff (June 10, 2026). "Why Maine Democrats should back Susan Collins". The Washington Post. Retrieved June 10, 2026.
  311. ↑ Iran Was Never Going To Do a Deal, Says Nikki Haley. Bloomberg News (Video broadcast). June 10, 2026. Retrieved June 11, 2026. We have been helping Susan Collins raise money. I plan on going to Maine and campaigning for her... That race matters to us so much, and she's been such a remarkable senator. You know, it shouldn't go overseen that she's never missed a vote, never missed a vote. And regardless of where her views are, she's respected, she's a hard worker, she's come out of tough races... We need to make sure she wins again. We can't take this for granted, so yes, I will be out there.
  312. ↑ "Trump voices support for Susan Collins and calls Platner 'a thug'". NBC News. June 10, 2026. Retrieved June 11, 2026.
  313. ↑ Schleifer, Theodore; Wagner, Bayliss (September 21, 2026). "Bush and Cornyn Leave Out Paxton as They Raise Cash for Senate Candidates". The New York Times. Retrieved September 21, 2026.
  314. ↑ Bolton, Alexander (September 14, 2026). "Joe Manchin endorses Collins in Maine Senate race". The Hill. Retrieved September 14, 2026.
  315. ↑ Hirschkorn, Phil (September 10, 2026). "National small business group endorses Collins in Maine U.S. Senate race". News Center Maine. Retrieved September 14, 2026.
  316. ↑ Whittle, Patrick (July 27, 2026). "Kamala Harris endorses Democrat Troy Jackson, in Maine's US Senate race after last-minute nomination". Associated Press. Retrieved July 27, 2026.
  317. ↑ Corbett, Jessica (July 31, 2026). "Ms. Rachel Signals Support for El-Sayed, Jackson, McKinney, and Other Candidates Who 'Care About All Kids'". Common Dreams. Retrieved August 1, 2026.
  318. ↑ Brodey, Sam (September 9, 2026). "Unions inspired his political career, but can they help him beat Susan Collins?". The Boston Globe. ISSN 0743-1791. Retrieved September 9, 2026.
  319. ↑ "IAM Union's Maine State Council Unanimously Endorses Troy Jackson for U.S. Senate". IAM Union. July 25, 2026. Retrieved July 25, 2026.
  320. ↑ Hirschkorn, Phil (September 10, 2026). "Maine US Senate candidate Troy Jackson adds state's largest union to endorsements". News Center Maine. Retrieved September 14, 2026.
  321. ↑ @StopBigMoney (September 2, 2026). "🚨ENDORSEMENT ALERT🚨 We're excited to endorse @TroyJackson207 for #MESEN. As an #UnrigWashington member, he's spent his career fighting for Maine's working people, not billionaires and corporations. We look forward to helping him win" (Tweet) – via X (formerly Twitter).
  322. ↑ "Troy Jackson". J Street PAC. Retrieved September 9, 2026.
  323. ↑ "2026 Planned Parenthood Action Fund Endorsed Candidates". Retrieved September 3, 2026.
  324. ↑ Popat, Shrai (August 26, 2026). "Abortion rights group endorses Democrat Troy Jackson in critical Maine Senate race". The Guardian. Retrieved August 26, 2026.
  325. ↑ "Sierra Club Endorsements: 2026 Elections". Sierra Club. Retrieved September 16, 2026.
  326. ↑ Ray, Alyssa (June 12, 2026). "Bill Maher Backs Embattled Maine Senate Candidate Graham Platner: 'We Need to Restore Balance'". The Wrap. Retrieved June 13, 2026.
  327. ↑ Lapierre, Allyson (June 19, 2026). "Maine Service Employees Association endorses Democrat Graham Platner for U.S. Senate". WGME. Retrieved June 20, 2026.
  328. ↑ Bousquet, Carol (June 22, 2026). "Planned Parenthood Action Fund endorses Democratic Senate hopeful Graham Platner". Maine Public. Archived from the original on June 23, 2026. Retrieved June 23, 2026.
  329. ↑ O'Connor, Lydia (July 6, 2026). "Planned Parenthood Rescinds Platner Endorsement Just Weeks After Backing Him". HuffPost. Retrieved July 7, 2026 – via Yahoo News.
  330. ↑ Williams, Evan (June 18, 2026). "Hillary Clinton declines to endorse Graham Platner while calling his scandals "bumps on the road"". TAG 24. Retrieved June 18, 2026.
  331. 1 2 3 4 "Some Senate Dems still won't commit to Graham Platner". Politico. June 10, 2026. Retrieved June 10, 2026.
  332. ↑ Cohen, David (June 14, 2026). "Asked about Platner, Warnock says he's focused on Georgia Senate race". Politico. Retrieved June 14, 2026.
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  334. ↑ Doody, Ben (June 10, 2026). "Dan Osborn 'not an endorser or supporter' of embattled Maine Democrat Graham Platner, campaign says". Omaha World-Herald. Retrieved June 15, 2026.
  335. ↑ Salinas, Juan (June 12, 2026). "Texas Sen. Ted Cruz campaigns for Ricketts in Nebraska". Nebraska Examiner. Retrieved June 15, 2026.
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  339. ↑ "FiftyPlusOne - Maine General Senate Election Polls and Average for the 2026 General Election". FiftyPlusOne. Retrieved September 17, 2026.
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  341. ↑ "Democrats Show Strength in Michigan Senate Race but Trail in Maine, Polls Find". NYTimes. September 24, 2026. Retrieved September 24, 2026.
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  343. ↑ "Quantus Survey: Collins and Jackson Even in Maine Senate Race". Quantus. September 16, 2026. Retrieved September 16, 2026.
  344. ↑ "Democrat Jackson leading in Maine's U.S. Senate race" (PDF). University of Massachusetts. September 24, 2026. Retrieved September 24, 2026.
  345. ↑ "Election 2026: Maine Senate". Rasmussen Reports. September 11, 2026. Retrieved September 11, 2026.
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  347. ↑ "CNN Poll Conducted by SSRS - Maine". SSRS. September 9, 2026. Retrieved September 9, 2026 – via DocumentCloud.
  348. ↑ Coletto, David (September 2, 2026). "The Trade War Next Door: What American Voters Think About Tariffs, Canada and the Battle for the U.S. Senate". Abacus Data. Retrieved September 2, 2026.
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  358. ↑ "Maine Senate Race Narrows to Toss-Up as Collins Closes Gap". Quantus Insights. Retrieved June 12, 2026.
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  367. 1 2 Fabrizio, Tony; Lee, David; Tunis, Travis (February 2, 2026). "Messaging Shifts Maine Senate Race from Dead Heat to Significant Susan Collins Lead". Fabrizio, Lee & Associates. Retrieved February 5, 2026 – via Politico.
  368. 1 2 "More Perfect Union: Maine Senate General Election Benchmark Poll" (PDF). More Perfect Union. October 10, 2025. Retrieved October 10, 2025.
  369. ↑ Buchanan, Brent (November 17, 2025). "Turning the Tide: How Collins Can Win Maine's Middle on Healthcare". Cygnal. Retrieved November 17, 2025.
  370. ↑ Normington, Jill; Wallace, Blane (September 16, 2025). "Kleban PPP Poll Memo 9.16.25" (PDF). Normington Petts. Retrieved September 18, 2025 – via DocumentCloud.
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