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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1958/Governor/South Dakota
      1958·Governor·South Dakota

      South Dakota Governor

      Winner
      DEM
      Ralph Herseth
      51.4%132,761 votes
      Runner-up
      REP
      Phil Saunders
      48.6%125,520 votes
      Margin
      D+2.8
      258,281 total votes
      2 candidates258,281 total votes
      CandidatePartyVotes ▼%Vote Share
      Ralph HersethDEM✓
      		DEM132,76151.4%
      Phil SaundersREP
      		REP125,52048.6%

      Seat History

      Governor in South Dakota

      2022
      Kristi L NoemREP
      R+26.8
      2018
      Kristi L NoemREP
      R+3.5
      2014
      Dennis DaugaardREP
      R+45.0
      2010
      Dennis DaugaardREP
      R+23.0
      2006
      Michael RoundsREP
      R+25.6
      2002
      Michael RoundsREP
      R+14.8
      1998
      William J JanklowREP
      R+31.2
      1994
      William J JanklowREP
      R+14.8
      1990
      George S MickelsonREP
      R+17.8
      1986
      George S MickelsonREP
      R+3.6
      1982
      William J JanklowREP
      R+41.8
      1978
      William J JanklowREP
      R+13.3
      1974
      Richard Francis KneipDEM
      D+7.2
      1972
      Richard Francis KneipDEM
      D+20.1
      1970
      Richard Francis KneipDEM
      D+9.7
      View all Governor history for South Dakota →

      Candidates

      Phil SaundersREP
      Record0W-1L
      Avg MarginD+2.8
      Career1958-1958
      Governor
      Full profile →
      Ralph HersethDEM
      Record1W-3L
      Avg MarginR+4.9
      Career1956-1962
      Governor
      Full profile →
      ← All 1958 Governor races1958 overviewSouth Dakota profileAll elections