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

      Colorado US Senate

      Winner
      DEM
      John Hickenlooper
      50.0%1,398,065 votes
      Runner-up
      REP
      Cory Gardner
      47.6%1,331,474 votes
      Margin
      D+2.4
      2,796,492 total votes
      3 candidates2,796,492 total votes
      CandidatePartyVotes ▼%Vote Share
      John HickenlooperDEM✓
      		DEM1,398,06550.0%
      Cory GardnerREP
      		REP1,331,47447.6%
      OtherOTH
      		OTH66,9532.4%

      Seat History

      US Senate in Colorado(Class I)

      2022
      Michael BennetDEM
      D+14.6
      2016
      Michael BennetDEM
      D+5.7
      2014
      Cory GardnerREP
      R+1.9
      2010
      Michael BennetDEM
      D+1.7
      2008
      Mark Emery UdallDEM
      D+10.3
      2004
      Ken SalazarDEM
      D+4.8
      2002
      Wayne AllardREP
      R+4.9
      1998
      Ben Nighthorse CampbellREP
      R+27.5
      1996
      Wayne AllardREP
      R+5.0
      1992
      Ben Nighthorse CampbellDEM
      D+9.1
      1990
      Hank BrownREP
      R+14.0
      1986
      Timothy WirthDEM
      D+1.6
      1984
      William L ArmstrongREP
      R+29.6
      1980
      Gary HartDEM
      D+1.6
      View all US Senate history for Colorado →

      Candidates

      Cory GardnerREP
      Record5W-1L
      Avg MarginR+36.5
      Career2006-2020
      US Senate / US House / State House
      Full profile →
      John HickenlooperDEM
      Record3W-0L
      Avg MarginD+15.2
      Career2010-2020
      US Senate / Governor
      Full profile →

      Also in Colorado, 2020

      President1 contest →US House7 contests →
      ← All 2020 US Senate races2020 overviewColorado profileAll elections