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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1938/US Senate/Iowa
      1938·US Senate·Iowa

      Iowa US Senate

      Winner
      DEM
      Guy M. Gillette
      49.7%413,788 votes
      Runner-up
      REP
      Lester Dickinson
      49.4%410,983 votes
      Margin
      D+0.3
      831,839 total votes
      3 candidates831,839 total votes
      CandidatePartyVotes ▼%Vote Share
      Guy M. GilletteDEM✓
      		DEM413,78849.7%
      Lester DickinsonREP
      		REP410,98349.4%
      OtherOTH
      		OTH7,0680.8%

      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

      Guy M. GilletteDEM
      Record3W-2L
      Avg MarginD+2.9
      Career1936-1954
      US Senate
      Full profile →
      Lester DickinsonREP
      Record1W-2L
      Avg MarginR+3.2
      Career1930-1938
      US Senate
      Full profile →

      Also in Iowa, 1938

      Governor1 contest →
      ← All 1938 US Senate races1938 overviewIowa profileAll elections