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/1948/President/South Dakota
      1948·President·South Dakota

      South Dakota Presidential Election

      Thomes E. Dewey51.8%vs.Harry S. Truman47.0%|
      R+4.8
      |250,105 votes
      3 candidates250,105 total votes
      CandidatePartyVotes ▼%Vote Share
      Thomes E. DeweyREP✓
      		REP129,65151.8%
      Harry S. TrumanDEM
      		DEM117,65347.0%
      OtherOTH
      		OTH2,8011.1%

      Seat History

      President in South Dakota

      2024
      Donald J TrumpREP
      R+30.3
      2020
      Donald J TrumpREP
      R+26.2
      2016
      Donald J TrumpREP
      R+29.8
      2012
      Mitt RomneyREP
      R+18.0
      2008
      John McCainREP
      R+8.4
      2004
      George W. BushREP
      R+21.5
      2000
      George W. BushREP
      R+22.7
      1996
      Bob DoleREP
      R+3.5
      1992
      George H.W. BushREP
      R+3.5
      1988
      George H.W. BushREP
      R+6.3
      1984
      Ronald ReaganREP
      R+26.5
      1980
      Ronald ReaganREP
      R+28.8
      1976
      Gerald FordREP
      R+1.5
      1972
      Richard M. NixonREP
      R+8.6
      1968
      Richard M. NixonREP
      R+11.3
      View all President history for South Dakota →

      Candidates

      Harry S. TrumanDEM
      Record31W-19L
      Avg MarginD+7.6
      Career1934-1948
      President / US Senate
      Full profile →
      Thomes E. DeweyREP
      Record27W-69L
      Avg MarginD+10.6
      Career1944-1948
      President
      Full profile →

      Also in South Dakota, 1948

      US Senate1 contest →Governor1 contest →
      ← All 1948 President races1948 overviewSouth Dakota profileAll elections