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/1940/US Senate/Wisconsin
      1940·US Senate·Wisconsin

      Wisconsin US Senate

      Winner
      OTH
      Other
      45.4%607,755 votes
      Runner-up
      REP
      Fred H. Clausen
      41.4%553,692 votes
      Margin
      R+28.2
      1,338,135 total votes
      3 candidates1,338,135 total votes
      CandidatePartyVotes ▼%Vote Share
      OtherOTH✓
      		OTH607,75545.4%
      Fred H. ClausenREP
      		REP553,69241.4%
      James E. FinneganDEM
      		DEM176,68813.2%

      Seat History

      US Senate in Wisconsin(Class II)

      2024
      Tammy BaldwinDEM
      D+0.8
      2022
      Ronald B JohnsonREP
      R+1.0
      2018
      Tammy BaldwinDEM
      D+10.8
      2016
      Ronald B JohnsonREP
      R+3.4
      2012
      Tammy BaldwinDEM
      D+5.5
      2010
      Ronald B JohnsonREP
      R+4.8
      2006
      Herb KohlDEM
      D+37.8
      2004
      Russell D FeingoldDEM
      D+11.2
      2000
      Herb KohlDEM
      D+24.5
      1998
      Russell D FeingoldDEM
      D+2.1
      1994
      Herb KohlDEM
      D+17.6
      1992
      Russell D FeingoldDEM
      D+6.6
      1988
      Herb KohlDEM
      D+4.5
      1986
      Bob KastenREP
      R+3.5
      1982
      William ProxmireDEM
      D+29.5
      View all US Senate history for Wisconsin →

      Candidates

      Fred H. ClausenREP
      Record0W-1L
      Avg MarginR+28.2
      Career1940-1940
      US Senate
      Full profile →
      James E. FinneganDEM
      Record0W-1L
      Avg MarginR+28.2
      Career1940-1940
      US Senate
      Full profile →

      Also in Wisconsin, 1940

      President1 contest →Governor1 contest →
      ← All 1940 US Senate races1940 overviewWisconsin profileAll elections