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/2002/US Senate/Iowa
      2002·US Senate·Iowa

      Iowa US Senate

      Winner
      DEM
      Tom Harkin
      54.2%554,278 votes
      Runner-up
      REP
      Greg Ganske
      43.8%447,892 votes
      Margin
      D+10.4
      1,023,075 total votes
      3 candidates1,023,075 total votes
      CandidatePartyVotes ▼%Vote Share
      Tom HarkinDEM✓
      DEM554,27854.2%
      Greg GanskeREP
      REP447,89243.8%
      OtherOTH
      OTH20,9052.0%

      Seat History

      US Senate in Iowa(Class I)

      2022
      Charles E GrassleyREP
      R+12.2
      2020
      Joni K ErnstREP
      R+6.6
      2016
      Charles E GrassleyREP
      R+24.4
      2014
      Joni K ErnstREP
      R+8.3
      2010
      Charles E GrassleyREP
      R+31.1
      2008
      Tom HarkinDEM
      D+25.4
      2004
      Charles E GrassleyREP
      R+42.3
      1998
      Charles E GrassleyREP
      R+37.9
      1996
      Tom HarkinDEM
      D+5.1
      1992
      Charles E GrassleyREP
      R+42.4
      1990
      Tom HarkinDEM
      D+9.1
      1986
      Charles E GrassleyREP
      R+32.5
      1984
      Tom HarkinDEM
      D+11.8
      1980
      Charles E GrassleyREP
      R+8.0
      View all US Senate history for Iowa →

      Candidates

      Greg GanskeREP
      Record4W-1L
      Avg MarginD+10.4
      Career1994-2002
      US Senate / US House
      Full profile →
      Tom HarkinDEM
      Record9W-0L
      Avg MarginD+12.3
      Career1976-2008
      US Senate / US House
      Full profile →

      Also in Iowa, 2002

      US House5 contests →Governor1 contest →
      ← All 2002 US Senate races2002 overviewIowa profileAll elections