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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1966/Governor/Iowa
      1966·Governor·Iowa

      Iowa Governor

      Winner
      DEM
      Harold E. Hughes
      55.3%494,259 votes
      Runner-up
      REP
      William G. Murray
      44.2%394,518 votes
      Margin
      D+11.2
      893,175 total votes
      3 candidates893,175 total votes
      CandidatePartyVotes ▼%Vote Share
      Harold E. HughesDEM✓
      		DEM494,25955.3%
      William G. MurrayREP
      		REP394,51844.2%
      OtherOTH
      		OTH4,3980.5%

      Seat History

      Governor in Iowa

      2022
      Kim ReynoldsREP
      R+18.5
      2018
      Kim ReynoldsREP
      R+2.7
      2014
      Terry Edward BranstadREP
      R+21.7
      2010
      Terry Edward BranstadREP
      R+9.6
      2006
      Chet CulverDEM
      D+9.7
      2002
      Tom VilsackDEM
      D+8.2
      1998
      Tom VilsackDEM
      D+5.8
      1994
      Terry Edward BranstadREP
      R+15.2
      1990
      Terry Edward BranstadREP
      R+21.8
      1986
      Terry Edward BranstadREP
      R+3.9
      1982
      Terry Edward BranstadREP
      R+6.3
      1978
      Robert E. RayREP
      R+17.3
      1974
      Robert E. RayREP
      R+17.1
      1972
      Robert E. RayREP
      R+18.2
      1970
      Robert E. RayREP
      R+4.4
      View all Governor history for Iowa →

      Candidates

      Harold E. HughesDEM
      Record4W-0L
      Avg MarginD+13.4
      Career1962-1968
      US Senate / Governor
      Full profile →
      William G. MurrayREP
      Record0W-2L
      Avg MarginD+9.7
      Career1958-1966
      Governor
      Full profile →

      Also in Iowa, 1966

      US Senate1 contest →
      ← All 1966 Governor races1966 overviewIowa profileAll elections