Maine Senate
69%
Dem
31%GOP
Range of Outcomes
Median outcome: Dem +5.7·80% of simulations: GOP +9.2 to Dem +20.7
How We Got This
Partisan lean
how the seat votes compared with the nation
+6.9 pp
Fundamentals
candidates, fundraising, experts
-9.8 pp
National Environment
current political climate
+8.9 pp
Polls
recent state and district polling
-0.3 pp
Forecasted margin
Dem +5.7
Polls
Polls (26)
| Pollster | Date | Margin | N | Sample |
|---|---|---|---|---|
| Echelon Insights | 2026-04-09 | Dem +6 | 378 | lv |
| Echelon Insights | 2026-04-09 | Dem +2 | 378 | lv |
| Maine People's Resource Center | 2026-03-31 | GOP +4 | 1,167 | lv |
| Maine People's Resource Center | 2026-03-31 | Dem +10 | 1,167 | lv |
| Emerson College | 2026-03-23 | Dem +4 | 1,075 | lv |
What Changes the Forecast
What Changes the Forecast
We're just making an assumption based on the national environment at this point.
Forecast over time
Forecast over time
D (blue) and R (red) win probability over time
D 69%
R 31%
Context
- Expert Ratings
- State lean
- This state leans Democratic (D+8).
- Candidates
- Graham Platner (D) Susan Collins (R) (inc.)