2026 midterms · Maine · November 3
Maine Senate race 2026
Who’s running for U.S. Senate in Maine on November 3, 2026: Troy Jackson (D) and Susan Collins (R, incumbent). Now held by Susan Collins (R). Forecasters: Toss-up (average of 7; range Lean D to Toss-up).
How to vote in Maine: check your registration on Maine’s election website · deadlines on Vote.gov for Maine
Next to a Democrat in Congress, $ backing is their backing from the pro-Israel PACs we track, 2016–2026; $0 backing means none. Tap a name for each PAC by year, with FEC links.
| Race | Rating | Democrats | Republicans | Others on the ballot | Notes |
|---|---|---|---|---|---|
| Maine Senate | Toss-up Average of 7; Lean D to Toss-up Each forecaster for Maine Senate
| Susan Collins (inc.) | No one else listed | Ranked-choice · Now held by Susan Collins (R) |
Help Democrats across Maine: Maine Democratic Party · See it on the map (Maine)
- Every race on Maine’s ballot →
- Maine governor race 2026 →
- Which Maine Democrats in Congress are backed by AIPAC? →
- Every 2026 race, by state →
Where this comes from
Candidates as of October 9, 2026, from state election offices, news reports and Ballotpedia’s candidate lists; independent and minor-party candidates may not be complete. Ratings are the average of up to seven nonpartisan forecasters, read from the tables Wikipedia editors keep of them: how we average them and each forecaster’s own pages. Backing is contributions plus outside spending for a candidate by the pro-Israel PACs we track, from FEC filings (method). Results, on election night, only from AP or official sources. Found an error? Tell us.
Photos of members of Congress: official portraits (public domain). Other photos: Troy Jackson: ArenLeBrun (photo of Troy Jackson), CC0.