ME U.S. Senate 2026
U.S. Senate · ME · upcoming · 2026
Candidates
- Graham Platner Democrat
- Susan M. Collins Republican Incumbent
- Janet Trafton Mills Democrat
- Dan Kleban Democrat
- Daira Rodriguez Democrat
- David Costello Democrat
Campaign finance
Total receipts through 2026-05-20. Source: FEC (public domain).
- Graham Platner $16.3M raised · $0 cash
- Susan M. Collins $14.9M raised · $0 cash
- Janet Trafton Mills $5.8M raised · $0 cash
- Dan Kleban $459K raised · $0 cash
- Daira Rodriguez $243K raised · $0 cash
- David Costello $150K raised · $0 cash
Demographics
Maine · 2022 ACS 5-year. Source: Census ACS.
- Population
- 1,366,949
- Median income
- $69,469
Forecast
As of 2026-06-29T03:43:04.719070+00:00. Heuristic + Monte Carlo — methodology.
89%
Democratic win probability
D+8.5
predicted margin (range R+0.5 to D+17.5)
Current officeholders
Sitting members for this seat.