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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1956/US Senate/Colorado
      1956·US Senate·Colorado

      Colorado US Senate

      Winner
      DEM
      John Carroll
      50.2%319,872 votes
      Runner-up
      REP
      Dan Thornton
      49.8%317,102 votes
      Margin
      D+0.4
      636,974 total votes
      2 candidates636,974 total votes
      CandidatePartyVotes ▼%Vote Share
      John CarrollDEM✓
      		DEM319,87250.2%
      Dan ThorntonREP
      		REP317,10249.8%

      Seat History

      US Senate in Colorado(Class I)

      2022
      Michael BennetDEM
      D+14.6
      2020
      John HickenlooperDEM
      D+2.4
      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

      Dan ThorntonREP
      Record2W-1L
      Avg MarginR+6.5
      Career1950-1956
      US Senate / Governor
      Full profile →
      John CarrollDEM
      Record3W-5L
      Avg MarginD+4.4
      Career1875-2010
      State House / US House / US Senate / Governor
      Full profile →

      Also in Colorado, 1956

      President1 contest →Governor1 contest →
      ← All 1956 US Senate races1956 overviewColorado profileAll elections