Maine Senate
Susan Collins (R) · running · Cook PVI D+4 · last result 50.98% R
Susan Collins
Wikipedia bio
Susan Margaret Collins is an American politician serving as the senior United States senator for Maine since 1997. A member of the Republican Party, she is Maine's longest-serving member of Congress and the longest-serving Republican woman in the Senate.
Source: Susan Collins
Troy Jackson
Wikipedia bio
Troy Dale Jackson is an American politician and former logger. He served in the Maine Senate from 2008 to 2014 and from 2016 to 2024, representing parts of northern Aroostook County.
Source: Troy JacksonDesk notes
Generated from the sourced figures on this page. Not a separate report.
Susan Collins (R) is the incumbent, running. The ratings consensus is Toss-up. Cook’s cell is dated Oct 6, 2026. 10 forecaster cells are stored. The polling average is led by Troy Jackson +2.2. Kalshi Troy Jackson 62¢ (mid). Polymarket Troy Jackson 63¢ (mid). The poll’s Democratic edge is 22.8 points smaller than the market’s. The 2024 presidential margin in this state was D+6.9. The 2020 presidential margin in this state was D+9.1. COLLINS, SUSAN M. leads the stored FEC receipts at $24,131,410.
Polling average
- Susan Collins (R)47.1%
- Troy Jackson (D)49.3%
mean of 5 published aggregator averages, equal-weighted. The Wikipedia 'Average' row is not included, so this is not a double count. Undecided is left as published and is not allocated.
Published aggregator averages
- 270toWinJackson +2.0% · updated October 9, 2026
- Decision Desk HQJackson +2.3% · updated October 16, 2026
- FiftyPlusOneJackson +2.2% · updated October 16, 2026
- RealClearPoliticsJackson +1.5% · updated October 15, 2026
- Silver BulletinJackson +2.7% · updated October 16, 2026
Ratings
- Cook Political ReportOct 6, 2026Tossup
- Sabato's Crystal BallOct 14, 2026Tossup
- Inside ElectionsOct 15, 2026Tossup
- Decision Desk HQOct 15, 2026Tossup
- RealClearPoliticsOct 12, 2026Tossup
- Silver BulletinOct 15, 2026Lean D (flip)
- FiftyPlusOneOct 17, 2026Lean D (flip)
- The EconomistOct 15, 2026Lean D (flip)
- Fox NewsOct 13, 2026Tossup
- Split TicketOct 18, 2026Lean D (flip)
Quoted from the Wikipedia predictions table, not scraped from the raters.
Markets
Raw yes-prices. Not vig-adjusted. Contracts under 1¢ are omitted.
- Troy Jackson62¢mid · spread 1¢
- Susan Collins39¢mid · spread 1¢
- Troy Jackson (D)63¢mid · spread 1¢
- Susan Collins (R)38¢mid · spread 1¢
PredictIt is off. Its terms limit the feed to non-commercial use.
Price history
Scale is fixed at 0–100¢. Hourly closes. A dashed line is a rating date or a poll end date stored on this race. Times are US Eastern.
Money
- COLLINS, SUSAN M.REPUBLICAN PARTY · raised $24,131,410 · cash $5,388,482Through 2026-09-30 · carried from the previous snapshot
- JACKSON, TROY DALEDEMOCRATIC PARTY · raised $20,431,280 · cash $3,956,817Through 2026-09-30 · carried from the previous snapshot
- WOOD, JORDANDEMOCRATIC PARTY · raised $6,391,430 · cash $19,225Through 2026-09-30 · carried from the previous snapshot
- MILLS, JANET TRAFTONDEMOCRATIC PARTY · raised $6,115,222 · cash $74,198Through 2026-09-30 · carried from the previous snapshot
Recent polls
- InsiderAdvantage (R)October 13–14, 20261,200 (LV) ± 2.8%Susan Collins 47 · Troy Jackson 49
- Suffolk UniversityOctober 8–11, 2026500 (LV) ± 4.4%Susan Collins 47 · Troy Jackson 49
- Rasmussen Reports (R)October 5–8, 2026804 (LV) ± 3.0%Susan Collins 47 · Troy Jackson 49
- The Washington Post / SSPGSeptember 30 – October 5, 2026800 (LV) ± 3.6%Susan Collins 46 · Troy Jackson 50
- Marist UniversityOctober 1–4, 20261,505 (RV) ± 3.8%Susan Collins 47 · Troy Jackson 51
- Trafalgar Group (R)September 29 – October 1, 20261,091 (LV) ± 2.9%Susan Collins 46 · Troy Jackson 46
Table via Wikipedia.
What changed
No move recorded since the baseline snapshot.
Results
Official results are not being treated as returns yet. Election Day is November 3, 2026.
Results appear here once official returns start on election night, November 3, 2026.
· snapshot Oct 19, 7:23 PM EDT · mode live