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/2020/US Senate/Kansas
      2020·US Senate·Kansas

      Kansas US Senate

      Winner
      REP
      Roger Marshall
      53.2%727,962 votes
      Runner-up
      DEM
      Barbara Bollier
      41.8%571,530 votes
      Margin
      R+11.4
      1,367,755 total votes
      3 candidates1,367,755 total votes
      CandidatePartyVotes ▼%Vote Share
      Roger MarshallREP✓
      REP727,96253.2%
      Barbara BollierDEM
      DEM571,53041.8%
      OtherOTH
      OTH68,2635.0%

      Seat History

      US Senate in Kansas(Class I)

      2022
      Jerry MoranREP
      R+23.0
      2016
      Jerry MoranREP
      R+29.9
      2014
      Pat RobertsREP
      R+53.1
      2010
      Jerry MoranREP
      R+43.7
      2008
      Pat RobertsREP
      R+23.6
      2004
      Sam BrownbackREP
      R+41.7
      2002
      Pat RobertsREP
      R+82.5
      1998
      Sam BrownbackREP
      R+33.7
      1996(S)
      Sam BrownbackREP
      R+10.6
      1996
      Pat RobertsREP
      R+27.6
      1992
      Bob DoleREP
      R+31.7
      1990
      Nancy L. KassebaumREP
      R+47.2
      1986
      Bob DoleREP
      R+40.1
      1984
      Nancy L. KassebaumREP
      R+54.8
      View all US Senate history for Kansas →

      Candidates

      Barbara BollierREP
      Record4W-1L
      Avg MarginR+14.5
      Career2010-2020
      US Senate / State Senate / State House
      Full profile →
      Roger MarshallREP
      Record3W-0L
      Avg MarginR+11.4
      Career2016-2020
      US Senate / US House
      Full profile →

      Also in Kansas, 2020

      President1 contest →US House4 contests →
      ← All 2020 US Senate races2020 overviewKansas profileAll elections