Maine U.S. Senate race 2026
Susan Collins is the incumbent. Forecasters rate it Toss-up. Polymarket prices Democrats at 60% and Republicans at 42%.
Candidates2 listed
| Candidate | Party | Status | Raised | Spent | Cash | Record |
|---|---|---|---|---|---|---|
| Troy Jackson | Democratic | nominee | — | — | — | — |
| Susan Collins | Republican | incumbent | $16.2M | $7.7M | $11.0M | FEC |
Reported Names, party and status as compiled in Wikipedia (CC BY-SA 4.0). Money is from FEC filings through each candidate’s latest report. This race on FEC.gov
Forecasts and ratingsforecaster median and Polymarket
Consensus (median of 12): Toss-up Estimate
| Forecaster | Rating | Date listed | Note |
|---|---|---|---|
| Cook Political Report | Toss-up | 2026-10-06 | |
| Inside Elections | Toss-up | 2026-10-01 | |
| Sabato's Crystal Ball | Toss-up | 2026-10-06 | |
| Decision Desk HQ | Toss-up | 2026-10-07 | |
| Split Ticket | Lean D | 2026-10-07 | flip from current holder |
| The Economist | Lean D | 2026-10-07 | flip from current holder |
| CBS News | Toss-up | 2026-10-06 | |
| FiftyPlusOne | Lean D | 2026-10-07 | flip from current holder |
| Fox News | Toss-up | 2026-10-06 | |
| MS NOW | Toss-up | 2026-09-16 | |
| RealClearPolitics | Toss-up | 2026-10-05 | |
| Silver Bulletin | Lean D | 2026-10-07 | flip from current holder |
Ratings are each publisher's own, compiled from Wikipedia (CC BY-SA 4.0). The date is the one listed there; a rater may have changed its call since, and “dated” means more than 45 days old. Open the forecaster for its current rating.
Prediction market
Democratic 59.5% · Republican 41.5% Estimate
Polymarket price read as a probability (the two prices need not add up to exactly 100%). Volume $2,261,821, snapshot 2026-10-15. View the market · About Polymarket