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/2004/US Senate/Illinois
      2004·US Senate·Illinois

      Illinois US Senate

      Winner
      DEM
      Barack Obama
      70.0%3,597,456 votes
      Runner-up
      REP
      Alan Keyes
      27.1%1,390,690 votes
      Margin
      D+42.9
      5,141,520 total votes
      3 candidates5,141,520 total votes
      CandidatePartyVotes ▼%Vote Share
      Barack ObamaDEM✓
      		DEM3,597,45670.0%
      Alan KeyesREP
      		REP1,390,69027.1%
      OtherOTH
      		OTH153,3743.0%

      Seat History

      US Senate in Illinois(Class I)

      2022
      Tammy DuckworthDEM
      D+15.3
      2020
      Richard J DurbinDEM
      D+16.1
      2016
      Tammy DuckworthDEM
      D+15.1
      2014
      Richard J DurbinDEM
      D+10.8
      2010
      Mark Steven KirkREP
      R+1.6
      2008
      Richard J DurbinDEM
      D+39.3
      2002
      Richard J DurbinDEM
      D+22.3
      1998
      Peter G FitzgeraldREP
      R+2.9
      1996
      Richard J DurbinDEM
      D+15.4
      1992
      Carol Moseley-BraunDEM
      D+10.2
      1990
      Paul SimonDEM
      D+30.1
      1986
      Alan J. DixonDEM
      D+31.4
      1984
      Paul SimonDEM
      D+1.9
      1980
      Alan J. DixonDEM
      D+13.5
      View all US Senate history for Illinois →

      Candidates

      Alan KeyesREP
      Record0W-3L
      Avg MarginD+36.2
      Career1988-2004
      US Senate
      Full profile →
      Barack ObamaDEM
      Record60W-46L
      Avg MarginD+5.3
      Career1996-2012
      President / US Senate / State Senate
      Full profile →

      Also in Illinois, 2004

      President1 contest →US House19 contests →
      ← All 2004 US Senate races2004 overviewIllinois profileAll elections