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/1998/US Senate/South Dakota
      1998·US Senate·South Dakota

      South Dakota US Senate

      Winner
      DEM
      Thomas A Daschle
      62.1%162,884 votes
      Runner-up
      REP
      Ron Schmidt
      36.4%95,431 votes
      Margin
      D+25.7
      262,111 total votes
      3 candidates262,111 total votes
      CandidatePartyVotes ▼%Vote Share
      Thomas A DaschleDEM✓
      		DEM162,88462.1%
      Ron SchmidtREP
      		REP95,43136.4%
      OtherOTH
      		OTH3,7961.4%

      Seat History

      US Senate in South Dakota(Class I)

      2022
      John R ThuneREP
      R+43.5
      2020
      Michael RoundsREP
      R+31.5
      2016
      John R ThuneREP
      R+43.7
      2014
      Michael RoundsREP
      R+20.9
      2010
      John R ThuneREP
      R+100.0
      2008
      Timothy V JohnsonDEM
      D+25.0
      2004
      John R ThuneREP
      R+1.1
      2002
      Timothy V JohnsonDEM
      D+0.2
      1996
      Timothy V JohnsonDEM
      D+2.6
      1992
      Thomas A DaschleDEM
      D+32.4
      1990
      Larry PresslerREP
      R+7.3
      1986
      Thomas A DaschleDEM
      D+3.2
      1984
      Larry PresslerREP
      R+49.0
      1980
      James AbdnorREP
      R+18.8
      View all US Senate history for South Dakota →

      Candidates

      Ron SchmidtREP
      Record0W-4L
      Avg MarginR+1.6
      Career1976-1998
      US Senate / State Senate / State House
      Full profile →
      Thomas A DaschleDEM
      Record7W-1L
      Avg MarginD+15.1
      Career1978-2004
      US Senate / US House
      Full profile →

      Also in South Dakota, 1998

      US House1 contest →Governor1 contest →
      ← All 1998 US Senate races1998 overviewSouth Dakota profileAll elections