Results archive / Illinois
Illinois election results
President since 1976, counties since 2000, US Senate since 1976.
President
Electoral votes
1976 R 261980 R 261984 R 241988 R 241992 D 221996 D 222000 D 222004 D 212008 D 212012 D 202016 D 202020 D 202024 D 19
2024 Harris+10.9
Counties
Democratic lead<55-1010-2020+
Republican lead<55-1010-2020+
No dataSwing
Towards the Democrat<22-55-1010+
Towards the Republican<22-55-1010+
No dataUS Senate
2022
Tammy Duckworth56.8%
Kathy Salvi (R)41.5%
2020
Richard J. Durbin (D)54.9%
Mark C. Curran Jr. (R)38.9%
2016
Tammy Duckworth (D)54.9%
Mark Kirk (R)39.8%
2014
Richard J. Durbin (D)53.5%
James D. Jim Oberweis (R)42.7%
2010special
Mark Steven Kirk (R)48.0%
Alexander Alexi Giannoulias (D)46.4%
2008
Richard J. Durbin (D)67.8%
Steve Sauerberg (R)28.5%
2004
Barack Obama (D)70.0%
Alan Keyes (R)27.0%
2002
Richard J. Durbin (D)60.3%
Jim Durkin (R)38.0%
1998
Peter G. Fitzgerald (R)50.3%
Carol Moseley-Braun (D)47.4%
1996
Richard J. Durbin (D)56.1%
Al Salvi (R)40.7%
1992
Carol Moseley-Braun (D)53.3%
Richard S. Williamson (R)43.1%
1990
Paul Simon (D)65.1%
Lynn Martin (R)34.9%
1986
Alan J. Dixon (D)65.1%
Judy Koehler (R)33.7%
1984
Paul Simon (D)50.1%
Charles H. Percy (R)48.2%
1980
Alan J. Dixon (D)56.0%
David C. O'Neal (R)42.5%
1978
Charles H. Perey (R)53.3%
Alex Smith (D)45.5%
MEDSL and VEST results files: fixed historic releases. 2026 Senate counts: uncertified.
Sources
- National Archives, Office of the Federal Register: Electoral College results 1976-2024 (Public domain (US government work))
- MIT Election Data and Science Lab, U.S. President 1976-2024, Harvard Dataverse (CC0 1.0)
- MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (GitHub copy, commit f44e3fc; the dataset is CC0 1.0 on Harvard Dataverse, doi:10.7910/DVN/VOQCHQ) (CC0 1.0)
- Connecticut Secretary of the State, 2012 presidential election results by town (CT Election History), summed to the eight legacy counties by PollCheck (Official public records)
- Voting and Election Science Team, 2020 Precinct-Level Election Results, Harvard Dataverse (precincts summed to counties by PollCheck) (CC BY 4.0)
- PollCheck 2024 county totals (us_site/house_pres.py): MEDSL 2024 precinct returns (CC0 1.0) plus the state sources named in county_pres_2024.json (CC0 1.0 (MEDSL rows))
- US Census Bureau cartographic boundary files: counties 2020 (1:500,000) and 2024 (1:5,000,000) (Public domain)
- US Census Bureau state legislative districts (lower chamber), Alaska: TIGER/Line 2010 (2000 and 2010 districts) and cartographic boundary files 2013, 2018 and 2023 (Public domain)
- Maine Bureau of Corporations, Elections and Commissions, 2024 General Election, President and Vice President (certified, corrected 5 Dec 2024) (Maine government record)
- New York State Board of Elections, 2004 General Election, President and Vice President, results by county (New York government record)
- New York State Board of Elections, President and Vice-President Election Returns Nov. 6, 2012 (dated 20 Mar 2013, Kings update 9 Jun 2013), copy hosted by the American Presidency Project (New York government record)
- MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024, Harvard Dataverse (CC0 1.0)
- State election office counts as read by the PollCheck midterms results feed (us_midterms_2026/data/results.json); uncertified (Official public records)
- us-atlas 3.0.1 counties-albers-10m (Census 2017 county boundaries) (ISC)
- us-atlas 3.0.1 states-albers-10m.json (US Census Bureau cartographic boundary files 2017; ISC licence)
Final results.