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

      Massachusetts US Senate

      Winner
      DEM
      Edward J Markey
      66.2%2,357,809 votes
      Runner-up
      REP
      Kevin O'Connor
      33.0%1,177,765 votes
      Margin
      D+33.1
      3,564,136 total votes
      3 candidates3,564,136 total votes
      CandidatePartyVotes ▼%Vote Share
      Edward J MarkeyDEM✓
      		DEM2,357,80966.2%
      Kevin O'ConnorREP
      		REP1,177,76533.0%
      OtherOTH
      		OTH28,5620.8%

      Seat History

      US Senate in Massachusetts(Class II)

      2024
      Elizabeth WarrenDEM
      D+19.4
      2018
      Elizabeth WarrenDEM
      D+24.2
      2014
      Edward J MarkeyDEM
      D+23.9
      2013(S)
      Edward J MarkeyDEM
      D+10.2
      2012
      Elizabeth WarrenDEM
      D+7.5
      2010(S)
      Scott BrownREP
      R+4.9
      2008
      John KerryDEM
      D+34.9
      2006
      Ted KennedyDEM
      D+38.8
      2002
      John KerryDEM
      D+80.0
      2000
      Ted KennedyDEM
      D+59.8
      1996
      John KerryDEM
      D+7.5
      1994
      Ted KennedyDEM
      D+17.1
      1990
      John KerryDEM
      D+14.2
      1988
      Ted KennedyDEM
      D+31.0
      View all US Senate history for Massachusetts →

      Candidates

      Kevin O'ConnorREP
      Record0W-2L
      Avg MarginD+33.1
      Career1998-2020
      US Senate / US House
      Full profile →
      Edward J MarkeyDEM
      Record24W-0L
      Avg MarginD+29.5
      Career1972-2020
      US Senate / US House / State House
      Full profile →

      Also in Massachusetts, 2020

      President1 contest →US House9 contests →
      ← All 2020 US Senate races2020 overviewMassachusetts profileAll elections