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/1958/US Senate/Wisconsin
      1958·US Senate·Wisconsin

      Wisconsin US Senate

      Winner
      DEM
      William Proxmire
      57.1%682,440 votes
      Runner-up
      REP
      Roland J. Steinle
      42.7%510,398 votes
      Margin
      D+14.4
      1,194,678 total votes
      3 candidates1,194,678 total votes
      CandidatePartyVotes ▼%Vote Share
      William ProxmireDEM✓
      		DEM682,44057.1%
      Roland J. SteinleREP
      		REP510,39842.7%
      OtherOTH
      		OTH1,8400.1%

      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

      Roland J. SteinleREP
      Record0W-1L
      Avg MarginD+14.4
      Career1958-1958
      US Senate
      Full profile →
      William ProxmireDEM
      Record6W-3L
      Avg MarginD+13.6
      Career1952-1982
      US Senate / Governor
      Full profile →

      Also in Wisconsin, 1958

      Governor1 contest →
      ← All 1958 US Senate races1958 overviewWisconsin profileAll elections