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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1974/US Senate/Iowa
      1974·US Senate·Iowa

      Iowa US Senate

      Winner
      DEM
      John C. Culver
      52.0%462,947 votes
      Runner-up
      REP
      David M Stanley
      47.3%420,546 votes
      Margin
      D+4.8
      889,561 total votes
      3 candidates889,561 total votes
      CandidatePartyVotes ▼%Vote Share
      John C. CulverDEM✓
      		DEM462,94752.0%
      David M StanleyREP
      		REP420,54647.3%
      OtherOTH
      		OTH6,0680.7%

      Seat History

      US Senate in Iowa(Class I)

      2022
      Charles E GrassleyREP
      R+12.2
      2020
      Joni K ErnstREP
      R+6.6
      2016
      Charles E GrassleyREP
      R+24.4
      2014
      Joni K ErnstREP
      R+8.3
      2010
      Charles E GrassleyREP
      R+31.1
      2008
      Tom HarkinDEM
      D+25.4
      2004
      Charles E GrassleyREP
      R+42.3
      2002
      Tom HarkinDEM
      D+10.4
      1998
      Charles E GrassleyREP
      R+37.9
      1996
      Tom HarkinDEM
      D+5.1
      1992
      Charles E GrassleyREP
      R+42.4
      1990
      Tom HarkinDEM
      D+9.1
      1986
      Charles E GrassleyREP
      R+32.5
      1984
      Tom HarkinDEM
      D+11.8
      1980
      Charles E GrassleyREP
      R+8.0
      View all US Senate history for Iowa →

      Candidates

      David M StanleyREP
      Record1W-2L
      Avg MarginR+9.6
      Career1968-1974
      US Senate / State House
      Full profile →
      John C. CulverDEM
      Record1W-1L
      Avg MarginR+1.6
      Career1974-1980
      US Senate
      Full profile →

      Also in Iowa, 1974

      Governor1 contest →
      ← All 1974 US Senate races1974 overviewIowa profileAll elections