Akashic EdgeAKASHIC EDGE
ElectionsCandidates
HistorianCartographer2026 ForecastArticlesAPIPricing

Latest Articles

    View all articles →

    Browse by Category

      Data Tools

      • Elections
      • Candidates
      • The Historian
      • The Cartographer
      • American Nations
      • States & Counties
      • Congressional Districts

      About

      Akashic HQ provides deep political data analysis covering 165 years of U.S. elections.

      • Data Sources & Methodology
      • Pricing
      • API Documentation
      • Contact

      © 2026 Akashic HQ. All rights reserved.

      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1990/Governor/South Dakota
      1990·Governor·South Dakota

      South Dakota Governor

      Winner
      REP
      George S Mickelson
      58.9%151,198 votes
      Runner-up
      DEM
      Bob Samuelson
      41.1%105,525 votes
      Margin
      R+17.8
      256,723 total votes
      2 candidates256,723 total votes
      CandidatePartyVotes ▼%Vote Share
      George S MickelsonREP✓
      		REP151,19858.9%
      Bob SamuelsonDEM
      		DEM105,52541.1%

      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
      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

      George S MickelsonREP
      Record5W-0L
      Avg MarginR+5.7
      Career1974-1990
      Governor / State House
      Full profile →
      Bob SamuelsonDEM
      Record2W-3L
      Avg MarginR+3.5
      Career1976-1990
      Governor / State Senate
      Full profile →

      Also in South Dakota, 1990

      US Senate1 contest →US House1 contest →
      ← All 1990 Governor races1990 overviewSouth Dakota profileAll elections