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Maine

Maine U.S. Senate election history

Every Maine U.S. Senate election from 1976 to 2024: winners, parties, margins and the seats that changed hands.

Current senators

Wins by party

  • Republican 11
  • Independent 3
  • Democratic 3
D+70R+70D+35R+351976: D+20.419761978: R+22.719781982: D+21.719821984: R+47.519841988: D+62.619881990: R+22.719901994: R+23.919941996: R+5.319962000: R+37.920002002: R+16.920022006: R+53.720062008: R+22.720082012: R+17.520122014: R+37.020142024: R+23.82024
Maine Senate races: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
YearSeatWinnerPartyRunner-upMarginVotes
2024 Class I Angus S. King Jr. Independent Demi Kouzounas 17.0 842,447
2020 Class II Susan M. Collins Republican — 8.5 828,305
2018 Class I Angus S. King Jr. Independent — 18.7 646,064
2014 Class II Susan M. Collins Republican Shenna Bellows 36.2 616,996
2012 flip Class I Angus S. King Jr. Independent Charlie Summers 21.4 724,720
2008 Class II Susan M. Collins Republican Thomas H. Allen 22.8 724,430
2006 Class I Olympia J. Snowe Republican Jean M. Hay Bright 53.7 545,128
2002 Class II Susan M. Collins Republican Chellie Pingree 16.9 504,899
2000 Class I Olympia J. Snowe Republican Mark W. Lawrence 37.9 634,872
1996 Class II Susan M. Collins Republican Joseph E. Brennan 5.3 606,777
1994 flip Class I Olympia J. Snowe Republican Thomas H. Andrews 23.9 511,733
1990 Class II William S. Cohen Republican Neil Rolde 22.7 520,320
1988 Class I George J. Mitchell Democratic Jasper S. Wyman 62.6 556,745
1984 Class II William S. Cohen Republican Elizabeth H. Mitchell 47.5 551,406
1982 Class I George J. Mitchell Democratic David F. Emery 21.7 459,715
1978 flip Class II William S. Cohen Republican William D. Hathaway 22.7 375,114
1976 Class I Edmund Muskie Democratic Robert A. G. Monks 20.4 486,193

Maine governor history · House districts · Presidential results

Questions and answers

Who won the most recent Maine Senate election?

Angus S. King Jr. won in 2024 by 17.0 points.

Who are Maine's U.S. senators?

Susan M. Collins (Republican, term ends 2027) and Angus S. King, Jr. (Independent, term ends 2031).

When did a Democrat last win a Maine Senate race?

In 1988, when George J. Mitchell won.

When did a Republican last win a Maine Senate race?

In 2020, when Susan M. Collins won.

Results: FiveThirtyEight (from 1976 for Senate, 1996 for governor). Current members: congress-legislators.