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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2020/US Senate/Maine
      2020·US Senate·Maine

      Maine US Senate

      Winner
      REP
      Susan Collins
      51.2%416,556 votes
      Runner-up
      DEM
      Sara Gideon
      42.2%343,155 votes
      Margin
      R+9.0
      813,535 total votes
      3 candidates813,535 total votes
      CandidatePartyVotes ▼%Vote Share
      Susan CollinsREP✓
      		REP416,55651.2%
      Sara GideonDEM
      		DEM343,15542.2%
      OtherOTH
      		OTH53,8246.6%

      Seat History

      US Senate in Maine(Class II)

      2024
      Angus KingDEM
      D+17.3
      2018
      Angus KingDEM
      D+21.2
      2014
      Susan CollinsREP
      R+37.0
      2012
      Angus KingDEM
      D+25.5
      2008
      Susan CollinsREP
      R+22.8
      2006
      Olympia J SnoweREP
      R+53.4
      2002
      Susan CollinsREP
      R+16.9
      2000
      Olympia J SnoweREP
      R+37.9
      1996
      Susan CollinsREP
      R+5.3
      1994
      Olympia J SnoweREP
      R+23.9
      1990
      William S CohenREP
      R+22.7
      1988
      George MitchellDEM
      D+62.4
      1984
      William S CohenREP
      R+47.5
      1982
      George MitchellDEM
      D+21.7
      View all US Senate history for Maine →

      Candidates

      Sara GideonDEM
      Record6W-1L
      Avg MarginD+29.8
      Career2012-2020
      US Senate / State House
      Full profile →
      Susan CollinsREP
      Record5W-1L
      Avg MarginR+13.4
      Career1994-2020
      US Senate / Governor
      Full profile →

      Also in Maine, 2020

      President1 contest →US House2 contests →
      ← All 2020 US Senate races2020 overviewMaine profileAll elections