Maine Senate

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)

Race polls
PollsterDateMarginNSample
Echelon Insights2026-04-09Dem +6378lv
Echelon Insights2026-04-09Dem +2378lv
Maine People's Resource Center2026-03-31GOP +41,167lv
Maine People's Resource Center2026-03-31Dem +101,167lv
Emerson College2026-03-23Dem +41,075lv
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
Cook: TossupInside Elections: Tilt RSabato: Tossup
State lean
This state leans Democratic (D+8).
Candidates
Graham Platner (D) Susan Collins (R) (inc.)