The one-point Maine Senate result is too close to call, but it adds to signs that Susan Collins faces another intensely competitive race. The survey also offers an early look at the perceptions each candidate will need to confront.
A Maine poll shows Susan Collins losing ground in her Senate race, with Democrat Graham Platner slightly ahead, 48% to 47%, among likely voters surveyed May 13-26, 2026. The UMass Lowell poll, based on 650 likely voters and carrying a +/-4.9 percentage-point margin of error, points to a genuinely close Maine contest rather than a clear lead.
The immediate takeaway is caution: Platner’s one-point advantage is well inside the survey’s margin of error. Still, the result matters because Collins, the Republican incumbent, has repeatedly survived difficult races in a state that often votes differently in federal and statewide contests.
A one-point race, not a verdict
The topline is simple: 48% of respondents backed Platner and 47% backed Collins in the UMass Lowell survey. That is a shift in the race’s tone, especially for an incumbent whose political brand has long rested on broad appeal beyond the Republican base.
But a 48%-47% result should not be treated as proof that Platner is ahead across all of Maine. The poll’s adjusted margin of error is +/-4.9 points, reflecting its sample size and design effects. A difference of one point is too small to distinguish a durable advantage from normal survey variation.
That distinction is important in campaign coverage. Polls estimate public opinion at a particular moment; they do not count ballots. Turnout, late-deciding voters, campaign spending and the candidates’ performance over the coming months can all move an election that begins this close.
Why Collins’s position draws attention
Collins is no ordinary first-term target. She has represented Maine in the Senate for decades and has built a reputation as a Republican willing at times to break with her party. Her campaign has emphasized a practical record, including work on health care, jobs, schools, public safety and federal funding for Maine.
Yet Maine presents a difficult political map for a Republican senator. President Donald Trump lost the state in 2024, while Collins remains the only Republican senator from a state Trump did not carry that year, according to NBC News. That mismatch makes her seat a natural Democratic target.
Collins has also shown why past political assumptions can fail. In 2020, Democrats viewed the race as a major pickup opportunity, but Collins won reelection by more than eight points even as Trump lost Maine by roughly nine points. Her record gives supporters reason to argue that a close early survey may understate her eventual strength.
Critics see the new poll differently. A nominal deficit, even one within the margin of error, suggests that the race may be more competitive than an incumbent would prefer at this stage. It also gives Democrats evidence that their nominee can begin the general election within reach.
Candidate image may shape the race
The survey’s perception questions underscore why the contest could be decided by more than party labels. The New York Times reported that 47% of Maine voters described Platner as “too extreme,” compared with 34% who said the same of Collins.
That finding creates a mixed picture for Platner. He can hold a slight ballot-test edge while carrying a larger vulnerability on ideological image. For Collins, the lower “too extreme” number may be an asset with moderates and independents, but it has not translated into a clear polling lead in this survey.
Both campaigns are likely to lean hard into those contrasts. Platner has framed Collins as a vote for Republican priorities in Washington, particularly on abortion rights and the Supreme Court. Collins’s campaign has accused him of running an angry and misleading campaign while arguing that Maine voters want concrete results rather than ideological conflict.
That leaves a familiar but potent question hanging over the race: will voters prioritize Collins’s incumbency and reputation for independence, or will national frustration with Washington outweigh that record?
Platner brings energy and liabilities
Platner enters the matchup as a populist outsider with a message centered on economic inequality, expanding the social safety net and reducing the influence of money in politics. His style differentiates him from the more conventional Democratic challengers Collins has faced in prior cycles.
It also gives Republicans material for sustained attacks. NBC News reported that Platner has faced scrutiny over an old tattoo with a Nazi association that he later covered, past Reddit posts, and allegations from former girlfriends concerning his behavior. Platner has said the online posts do not reflect his current views and has denied physical misconduct.
The controversies complicate any effort to interpret a single ballot test as a settled judgment. Some Democrats have expressed unease, while prominent supporters including Sens. Bernie Sanders and Elizabeth Warren have continued to back him. Whether those issues change voter impressions, or fade amid a larger debate over the economy and abortion, remains unresolved.
Other polls show a fluid picture
The broader polling record reinforces the need to avoid overreading one survey. A New York Times poll tracker has shown other Maine Senate surveys with different results, including one that had Collins ahead of Platner 47% to 42% and another matchup showing a Democratic candidate ahead of Collins 49% to 46%.
Different polls can produce different results for legitimate reasons: their field dates, likely-voter screens, question wording, sampling methods and the candidates included all matter. The useful signal is not that every poll matches exactly, but that the available numbers describe a contest without a commanding favorite.
For Collins, that means she cannot rely solely on the resilience that carried her through 2020. For Platner, it means a narrow edge is an opening, not a guarantee. A race this close will reward whichever campaign most effectively persuades Maine’s independents and turns its supporters out.
Maine could matter beyond Maine
The Senate seat has national consequences because control of the chamber is expected to be closely contested. NBC News noted that Democrats hold 47 seats and need a net gain of four to win the majority, making a potential Maine pickup strategically significant.
National stakes can bring money, advertising and high-profile surrogates into the state, but Maine voters have often shown an independent streak. The contest may become a test of whether a veteran senator can keep a local focus while her challenger ties her more directly to national Republican politics.
For now, the UMass Lowell poll establishes a narrow fact pattern: Platner is at 48%, Collins is at 47%, and the gap falls within the survey’s margin of error. Collins has lost ground in this snapshot, but the more consequential finding is that Maine’s Senate race is still wide open.
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