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/1918/US Senate/Iowa
      1918·US Senate·Iowa

      Iowa US Senate

      Winner
      REP
      William S. Kenyon
      65.3%226,093 votes
      Runner-up
      DEM
      Charles R. Keyes
      34.7%120,317 votes
      Margin
      R+30.5
      346,410 total votes
      2 candidates346,410 total votes
      CandidatePartyVotes ▼%Vote Share
      William S. KenyonREP✓
      		REP226,09365.3%
      Charles R. KeyesDEM
      		DEM120,31734.7%

      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
      2002
      Tom HarkinDEM
      D+10.4
      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

      Charles R. KeyesDEM
      Record0W-1L
      Avg MarginR+30.5
      Career1918-1918
      US Senate
      Full profile →
      William S. KenyonREP
      Record1W-0L
      Avg MarginR+30.5
      Career1918-1918
      US Senate
      Full profile →

      Also in Iowa, 1918

      Governor1 contest →
      ← All 1918 US Senate races1918 overviewIowa profileAll elections