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2026 Maine Senate
Bob Dylan
Jackson-Collins Maine Senate Race Remains Tight
Coverage from Bangor Daily News, Newsweek, and others
The 2026 Maine Senate race remains closely contested, with Democrat Troy Jackson holding a small polling edge over Republican incumbent Susan Collins while economic concerns, Donald Trump's unpopularity, and crossover voters shape the contest.
If you read one thing
Maine Ranks Second in CNN’s 2026 Senate Flip RankingsA well-supported CNN overview captures the narrow polling edge, Collins's structural advantages, and the national issues shaping the race.
The counter-case
CNN Poll Gives Troy Jackson a Narrow Lead Over Susan CollinsThis contested-side article explains why Collins's familiarity, independent support, and polling history keep the race a toss-up.
The evidence
CNN Poll Shows Tight Collins-Jackson Maine Senate RaceDetailed poll evidence shows how anti-Trump sentiment, tariff opposition, and economic concerns benefit Jackson.
Jackson maintains a narrow polling edge
Jackson leads Collins across multiple recent surveys, including CNN/SSRS, Fox, UNH, Hart, and Abacus polling. The margins generally remain within sampling error, and major forecasters still rate the contest a toss-up, but the repeated Jackson advantage has become more broadly corroborated.
Collins faces a Trump-alignment liability
Negative views of Trump, his tariffs, and Collins's association with national Republican politics continue to weigh on the incumbent, especially among independents and non-MAGA Republicans. Jackson's coalition is consequently powered more by opposition to Collins and Trump-aligned politics than by strong personal favorability.
Economic pressure and tariffs favor Jackson
Cost-of-living and economic conditions remain voters' leading concerns, while broad opposition to tariffs on Canadian goods gives Jackson a locally salient line of attack against Collins and her party. Collins's opposition to the tariffs limits but does not eliminate their political liability.
Collins retains structural counterweights
Collins remains better known, has a more candidate-centered base, and has a history of outperforming public polls. Republican advertisers also held a reported spending and booking advantage, although her traditional crossover coalition is under pressure and Jackson has narrowed the contest among independents.
45% percent
likely voters supporting Susan Collins
“In Maine, 48% of likely voters back Jackson and 45% support Collins. The result is within the survey's margin of sampling error.”
48% percent
likely voters supporting Troy Jackson
“In Maine, 48% of likely voters support Jackson and 45% support Collins, also within the margin of sampling error.”
plus or minus 3.7 percentage points
margin of sampling error
“In Maine, Democrat Troy Jackson leads Republican incumbent Susan Collins 48% to 45%, a result within the poll's margin of sampling error of plus or minus 3.7 percentage points. About 18% of likely voters say they could change their minds or have not yet chosen a candidate.”
880 likely voters
Maine poll sample size
“The CNN polls of Maine and Michigan likely voters were conducted online and by phone from August 31 through September 6, 2026. Results among 880 likely voters in Maine have a margin of sampling error of plus or minus 3.7 percentage points; the margin is 4.1 points among 843 likely voters in Michigan.”
18% percent
likely voters who could change their minds or had not chosen a candidate
“In Maine, 48% of likely voters support Jackson and 45% support Collins, a result within the poll’s margin of sampling error. About 18% say they could change their minds or have not chosen a candidate.”
Contested Issue
Does Troy Jackson's polling advantage indicate that he is favored to win, or should the Maine Senate race still be treated as a toss-up because of polling uncertainty and Susan Collins's structural support?
Recent polls generally place Jackson narrowly ahead, and prediction markets favor him, but several sources argue that the margins are within sampling error or vulnerable to turnout differences and Maine's history of underestimating Collins. Major race handicappers therefore continue to rate the contest a toss-up.
Jackson favored
Recent polling and prediction markets generally place Jackson ahead, indicating that he has a meaningful advantage in the general-election contest.
Toss-up with Collins resilience
Jackson's polling edge is too narrow or inconsistent to establish him as favored because sampling uncertainty, turnout differences, historical polling error, and Collins's crossover support leave the outcome genuinely unsettled.
The new reporting reinforces that Troy Jackson's narrow polling lead does not make him a clear favorite because Susan Collins has historically outperformed Republican presidential results in Maine, but it introduces no material change to the race's toss-up status.
Previously
The 2026 Maine Senate race remains closely contested, with Democrat Troy Jackson holding a small polling edge over Republican incumbent Susan Collins while economic concerns, Donald Trump's unpopularity, and crossover voters shape the contest.
The race’s narrow Jackson advantage is reinforced across more surveys but remains firmly a toss-up, while new advertising data gives Collins a meaningful campaign-resource edge.
The current version largely confirms the existing toss-up assessment, adding a Rasmussen near-tie with 9% undecided and clarifying that Graham Platner’s withdrawal followed sexual misconduct allegations he denied.