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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2006/Governor/South Dakota
      2006·Governor·South Dakota

      South Dakota Governor

      Winner
      REP
      Michael Rounds
      61.7%206,990 votes
      Runner-up
      DEM
      Jack Billion
      36.1%121,226 votes
      Margin
      R+25.6
      335,508 total votes
      3 candidates335,508 total votes
      CandidatePartyVotes ▼%Vote Share
      Michael RoundsREP✓
      		REP206,99061.7%
      Jack BillionDEM
      		DEM121,22636.1%
      OtherOTH
      		OTH7,2922.2%

      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
      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

      Jack BillionDEM
      Record1W-2L
      Avg MarginD+2.0
      Career1994-2006
      Governor / State Senate / State House
      Full profile →
      Michael RoundsREP
      Record9W-0L
      Avg MarginR+30.8
      Career1990-2020
      US Senate / Governor / State Senate
      Full profile →

      Also in South Dakota, 2006

      US House1 contest →
      ← All 2006 Governor races2006 overviewSouth Dakota profileAll elections