Illinois — 1980 presidential election
Recent presidential results
Akashicstate1980 presidential electionIllinois · PresidentReaganR+7.9
How it voted
Share of the 1980 vote
| Ronald Reagan ✓Republican | 49.6% | 2,358,049 |
|---|---|---|
| Jimmy CarterDemocratic | 41.7% | 1,981,413 |
| OtherAll other candidates | 8.6% | 410,259 |
1980presidential margin
D+60R+60
102 counties, each filled by 1980 D-vs-R margin. Hover any county for its result.
Illinois cast 26 electoral votes this cycle.
County-level results (102 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adams County, IL | Republican | R+28.9 |
| Alexander County, IL | Democratic | D+4.8 |
| Bond County, IL | Republican | R+20.8 |
| Boone County, IL | Republican | R+30.3 |
| Brown County, IL | Republican | R+26.4 |
| Bureau County, IL | Republican | R+30.8 |
| Calhoun County, IL | Republican | R+13.2 |
| Carroll County, IL | Republican | R+36.5 |
| Cass County, IL | Republican | R+21.0 |
| Champaign County, IL | Republican | R+18.8 |
| Christian County, IL | Republican | R+13.4 |
| Clark County, IL | Republican | R+30.2 |
| Clay County, IL | Republican | R+25.6 |
| Clinton County, IL | Republican | R+29.6 |
| Coles County, IL | Republican | R+25.4 |
| Cook County, IL | Democratic | D+12.4 |
| Crawford County, IL | Republican | R+26.0 |
| Cumberland County, IL | Republican | R+24.0 |
| De Witt County, IL | Republican | R+32.5 |
| DeKalb County, IL | Republican | R+24.6 |
| Douglas County, IL | Republican | R+33.3 |
| DuPage County, IL | Republican | R+39.8 |
| Edgar County, IL | Republican | R+30.9 |
| Edwards County, IL | Republican | R+40.4 |
| Effingham County, IL | Republican | R+35.3 |
| Fayette County, IL | Republican | R+27.9 |
| Ford County, IL | Republican | R+44.6 |
| Franklin County, IL | Republican | R+1.5 |
| Fulton County, IL | Republican | R+15.0 |
| Gallatin County, IL | Republican | R+0.6 |
| Greene County, IL | Republican | R+22.7 |
| Grundy County, IL | Republican | R+33.5 |
| Hamilton County, IL | Republican | R+23.2 |
| Hancock County, IL | Republican | R+29.1 |
| Hardin County, IL | Republican | R+13.1 |
| Henderson County, IL | Republican | R+19.6 |
| Henry County, IL | Republican | R+27.0 |
| Iroquois County, IL | Republican | R+51.4 |
| Jackson County, IL | Republican | R+0.9 |
| Jasper County, IL | Republican | R+30.3 |
| Jefferson County, IL | Republican | R+13.5 |
| Jersey County, IL | Republican | R+21.6 |
| Jo Daviess County, IL | Republican | R+28.0 |
| Johnson County, IL | Republican | R+33.0 |
| Kane County, IL | Republican | R+33.8 |
| Kankakee County, IL | Republican | R+22.5 |
| Kendall County, IL | Republican | R+48.1 |
| Knox County, IL | Republican | R+23.5 |
| Lake County, IL | Republican | R+29.2 |
| LaSalle County, IL | Republican | R+22.0 |
| Lawrence County, IL | Republican | R+18.1 |
| Lee County, IL | Republican | R+53.1 |
| Livingston County, IL | Republican | R+44.2 |
| Logan County, IL | Republican | R+40.1 |
| Macon County, IL | Republican | R+11.1 |
| Macoupin County, IL | Republican | R+13.5 |
| Madison County, IL | Republican | R+7.3 |
| Marion County, IL | Republican | R+21.3 |
| Marshall County, IL | Republican | R+36.4 |
| Mason County, IL | Republican | R+25.5 |
| Massac County, IL | Republican | R+20.1 |
| McDonough County, IL | Republican | R+33.6 |
| McHenry County, IL | Republican | R+41.4 |
| McLean County, IL | Republican | R+33.5 |
| Menard County, IL | Republican | R+36.7 |
| Mercer County, IL | Republican | R+19.5 |
| Monroe County, IL | Republican | R+32.2 |
| Montgomery County, IL | Republican | R+20.9 |
| Morgan County, IL | Republican | R+29.0 |
| Moultrie County, IL | Republican | R+18.9 |
| Ogle County, IL | Republican | R+44.9 |
| Peoria County, IL | Republican | R+23.4 |
| Perry County, IL | Republican | R+14.6 |
| Piatt County, IL | Republican | R+31.3 |
| Pike County, IL | Republican | R+17.2 |
| Pope County, IL | Republican | R+25.3 |
| Pulaski County, IL | Republican | R+3.1 |
| Putnam County, IL | Republican | R+23.5 |
| Randolph County, IL | Republican | R+17.8 |
| Richland County, IL | Republican | R+34.2 |
| Rock Island County, IL | Republican | R+6.6 |
| Saline County, IL | Republican | R+11.1 |
| Sangamon County, IL | Republican | R+23.5 |
| Schuyler County, IL | Republican | R+30.4 |
| Scott County, IL | Republican | R+34.5 |
| Shelby County, IL | Republican | R+22.5 |
| St. Clair County, IL | Democratic | D+4.0 |
| Stark County, IL | Republican | R+45.9 |
| Stephenson County, IL | Republican | R+22.5 |
| Tazewell County, IL | Republican | R+32.9 |
| Union County, IL | Republican | R+6.0 |
| Vermilion County, IL | Republican | R+20.4 |
| Wabash County, IL | Republican | R+27.3 |
| Warren County, IL | Republican | R+32.1 |
| Washington County, IL | Republican | R+41.2 |
| Wayne County, IL | Republican | R+28.8 |
| White County, IL | Republican | R+20.0 |
| Whiteside County, IL | Republican | R+39.1 |
| Will County, IL | Republican | R+22.7 |
| Williamson County, IL | Republican | R+14.0 |
| Winnebago County, IL | Republican | R+15.6 |
| Woodford County, IL | Republican | R+47.4 |
Illinois results by county
102 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Adams County | Ronald Reagan+9,236 | 19,84262.2% | 10,60633.2% | 1,4694.6% | 31,917 |
| Alexander County | Jimmy Carter+275 | 2,65046.7% | 2,92551.5% | 1031.8% | 5,678 |
| Bond County | Ronald Reagan+1,564 | 4,39858.4% | 2,83437.6% | 3004.0% | 7,532 |
| Boone County | Ronald Reagan+3,522 | 6,69757.7% | 3,17527.3% | 1,74215.0% | 11,614 |
| Brown County | Ronald Reagan+710 | 1,66061.7% | 95035.3% | 823.0% | 2,692 |
| Bureau County | Ronald Reagan+5,731 | 11,48461.8% | 5,75331.0% | 1,3507.3% | 18,587 |
| Calhoun County | Ronald Reagan+383 | 1,59155.0% | 1,20841.7% | 963.3% | 2,895 |
| Carroll County | Ronald Reagan+2,930 | 5,08463.4% | 2,15426.8% | 7859.8% | 8,023 |
| Cass County | Ronald Reagan+1,422 | 3,96558.6% | 2,54337.6% | 2623.9% | 6,770 |
| Champaign County | Ronald Reagan+12,312 | 33,32951.0% | 21,01732.2% | 11,01416.9% | 65,360 |
| Christian County | Ronald Reagan+2,145 | 8,77054.7% | 6,62541.3% | 6414.0% | 16,036 |
| Clark County | Ronald Reagan+2,621 | 5,47663.2% | 2,85532.9% | 3353.9% | 8,666 |
| Clay County | Ronald Reagan+1,860 | 4,44761.2% | 2,58735.6% | 2323.2% | 7,266 |
| Clinton County | Ronald Reagan+4,030 | 8,50062.5% | 4,47032.9% | 6234.6% | 13,593 |
| Coles County | Ronald Reagan+5,251 | 11,99458.0% | 6,74332.6% | 1,9349.4% | 20,671 |
| Cook County | Jimmy Carter+268,010 | 856,57439.6% | 1,124,58452.0% | 181,9398.4% | 2,163,097 |
| Crawford County | Ronald Reagan+2,522 | 5,89460.7% | 3,37234.7% | 4444.6% | 9,710 |
| Cumberland County | Ronald Reagan+1,267 | 3,15959.7% | 1,89235.8% | 2384.5% | 5,289 |
| De Witt County | Ronald Reagan+2,386 | 4,64863.3% | 2,26230.8% | 4345.9% | 7,344 |
| DeKalb County | Ronald Reagan+7,457 | 16,37053.9% | 8,91329.4% | 5,08216.7% | 30,365 |
| Douglas County | Ronald Reagan+2,766 | 5,33064.3% | 2,56430.9% | 4004.8% | 8,294 |
| DuPage County | Ronald Reagan+113,317 | 182,30864.0% | 68,99124.2% | 33,45011.7% | 284,749 |
| Edgar County | Ronald Reagan+3,245 | 6,63963.1% | 3,39432.3% | 4824.6% | 10,515 |
| Edwards County | Ronald Reagan+1,515 | 2,55668.1% | 1,04127.8% | 1544.1% | 3,751 |
| Effingham County | Ronald Reagan+4,875 | 9,10465.9% | 4,22930.6% | 4753.4% | 13,808 |
| Fayette County | Ronald Reagan+2,909 | 6,52362.7% | 3,61434.7% | 2712.6% | 10,408 |
| Ford County | Ronald Reagan+3,221 | 5,02469.6% | 1,80325.0% | 3875.4% | 7,214 |
| Franklin County | Ronald Reagan+306 | 9,73149.0% | 9,42547.5% | 7003.5% | 19,856 |
| Fulton County | Ronald Reagan+2,835 | 10,31654.4% | 7,48139.5% | 1,1606.1% | 18,957 |
| Gallatin County | Ronald Reagan+22 | 1,70049.0% | 1,67848.4% | 882.5% | 3,466 |
| Greene County | Ronald Reagan+1,617 | 4,22459.3% | 2,60736.6% | 2894.1% | 7,120 |
| Grundy County | Ronald Reagan+4,427 | 8,39763.6% | 3,97030.1% | 8376.3% | 13,204 |
| Hamilton County | Ronald Reagan+1,264 | 3,25459.6% | 1,99036.5% | 2123.9% | 5,456 |
| Hancock County | Ronald Reagan+3,075 | 6,59762.3% | 3,52233.3% | 4664.4% | 10,585 |
| Hardin County | Ronald Reagan+407 | 1,72155.3% | 1,31442.2% | 792.5% | 3,114 |
| Henderson County | Ronald Reagan+834 | 2,44357.5% | 1,60937.9% | 1944.6% | 4,246 |
| Henry County | Ronald Reagan+6,529 | 14,50659.9% | 7,97733.0% | 1,7237.1% | 24,206 |
| Iroquois County | Ronald Reagan+7,885 | 11,24773.4% | 3,36221.9% | 7184.7% | 15,327 |
| Jackson County | Ronald Reagan+214 | 10,50544.1% | 10,29143.2% | 3,03312.7% | 23,829 |
| Jasper County | Ronald Reagan+1,702 | 3,54863.2% | 1,84632.9% | 2183.9% | 5,612 |
| Jefferson County | Ronald Reagan+2,211 | 8,97254.9% | 6,76141.4% | 6073.7% | 16,340 |
| Jersey County | Ronald Reagan+1,942 | 5,26658.6% | 3,32437.0% | 3954.4% | 8,985 |
| Jo Daviess County | Ronald Reagan+2,508 | 5,18657.8% | 2,67829.9% | 1,10712.3% | 8,971 |
| Johnson County | Ronald Reagan+1,615 | 3,20165.5% | 1,58632.4% | 1012.1% | 4,888 |
| Kane County | Ronald Reagan+35,091 | 64,10661.8% | 29,01528.0% | 10,66310.3% | 103,784 |
| Kankakee County | Ronald Reagan+9,184 | 23,81058.3% | 14,62635.8% | 2,4376.0% | 40,873 |
| Kendall County | Ronald Reagan+6,885 | 10,02870.0% | 3,14321.9% | 1,1568.1% | 14,327 |
| Knox County | Ronald Reagan+6,158 | 14,90756.9% | 8,74933.4% | 2,5429.7% | 26,198 |
| Lake County | Ronald Reagan+48,063 | 96,35058.4% | 48,28729.3% | 20,21612.3% | 164,853 |
| LaSalle County | Ronald Reagan+10,505 | 27,32357.1% | 16,81835.2% | 3,6947.7% | 47,835 |
| Lawrence County | Ronald Reagan+1,423 | 4,45356.7% | 3,03038.6% | 3734.7% | 7,856 |
| Lee County | Ronald Reagan+8,203 | 11,37373.7% | 3,17020.5% | 8955.8% | 15,438 |
| Livingston County | Ronald Reagan+7,433 | 11,54468.6% | 4,11124.4% | 1,1686.9% | 16,823 |
| Logan County | Ronald Reagan+5,765 | 9,68167.4% | 3,91627.3% | 7695.4% | 14,366 |
| Macon County | Ronald Reagan+5,973 | 28,29852.4% | 22,32541.4% | 3,3336.2% | 53,956 |
| Macoupin County | Ronald Reagan+3,015 | 12,13154.3% | 9,11640.8% | 1,1075.0% | 22,354 |
| Madison County | Ronald Reagan+7,300 | 51,16051.1% | 43,86043.8% | 5,1045.1% | 100,124 |
| Marion County | Ronald Reagan+3,979 | 10,96958.7% | 6,99037.4% | 7193.8% | 18,678 |
| Marshall County | Ronald Reagan+2,446 | 4,34964.8% | 1,90328.4% | 4596.8% | 6,711 |
| Mason County | Ronald Reagan+1,964 | 4,64460.4% | 2,68034.8% | 3694.8% | 7,693 |
| Massac County | Ronald Reagan+1,463 | 4,28458.9% | 2,82138.8% | 1672.3% | 7,272 |
| McDonough County | Ronald Reagan+4,902 | 8,99561.7% | 4,09328.1% | 1,50110.3% | 14,589 |
| McHenry County | Ronald Reagan+25,505 | 40,04565.0% | 14,54023.6% | 7,07011.5% | 61,655 |
| McLean County | Ronald Reagan+16,509 | 30,09661.1% | 13,58727.6% | 5,54911.3% | 49,232 |
| Menard County | Ronald Reagan+2,033 | 3,62265.4% | 1,58928.7% | 3235.8% | 5,534 |
| Mercer County | Ronald Reagan+1,783 | 5,14456.2% | 3,36136.7% | 6517.1% | 9,156 |
| Monroe County | Ronald Reagan+3,194 | 6,31563.6% | 3,12131.4% | 4884.9% | 9,924 |
| Montgomery County | Ronald Reagan+3,226 | 8,94758.0% | 5,72137.1% | 7474.8% | 15,415 |
| Morgan County | Ronald Reagan+4,923 | 10,40661.2% | 5,48332.3% | 1,1086.5% | 16,997 |
| Moultrie County | Ronald Reagan+1,163 | 3,49556.7% | 2,33237.9% | 3345.4% | 6,161 |
| Ogle County | Ronald Reagan+8,466 | 12,53366.4% | 4,06721.6% | 2,27112.0% | 18,871 |
| Peoria County | Ronald Reagan+19,539 | 47,81557.3% | 28,27633.9% | 7,4198.9% | 83,510 |
| Perry County | Ronald Reagan+1,551 | 5,88855.5% | 4,33740.9% | 3853.6% | 10,610 |
| Piatt County | Ronald Reagan+2,446 | 4,86762.3% | 2,42131.0% | 5306.8% | 7,818 |
| Pike County | Ronald Reagan+1,606 | 5,30156.6% | 3,69539.5% | 3653.9% | 9,361 |
| Pope County | Ronald Reagan+621 | 1,50161.1% | 88035.8% | 743.0% | 2,455 |
| Pulaski County | Ronald Reagan+128 | 2,08350.8% | 1,95547.7% | 611.5% | 4,099 |
| Putnam County | Ronald Reagan+801 | 1,95957.4% | 1,15833.9% | 2978.7% | 3,414 |
| Randolph County | Ronald Reagan+2,758 | 8,81056.9% | 6,05239.1% | 6324.1% | 15,494 |
| Richland County | Ronald Reagan+2,778 | 5,24164.5% | 2,46330.3% | 4225.2% | 8,126 |
| Rock Island County | Ronald Reagan+4,743 | 34,78848.5% | 30,04541.9% | 6,9429.7% | 71,775 |
| Saline County | Ronald Reagan+1,474 | 7,15754.0% | 5,68342.8% | 4253.2% | 13,265 |
| Sangamon County | Ronald Reagan+20,018 | 49,37257.9% | 29,35434.5% | 6,4747.6% | 85,200 |
| Schuyler County | Ronald Reagan+1,354 | 2,79962.8% | 1,44532.4% | 2164.8% | 4,460 |
| Scott County | Ronald Reagan+1,049 | 1,99065.4% | 94130.9% | 1113.6% | 3,042 |
| Shelby County | Ronald Reagan+2,453 | 6,44159.1% | 3,98836.6% | 4654.3% | 10,894 |
| St. Clair County | Jimmy Carter+3,983 | 46,06345.8% | 50,04649.7% | 4,5644.5% | 100,673 |
| Stark County | Ronald Reagan+1,552 | 2,35869.8% | 80623.8% | 2166.4% | 3,380 |
| Stephenson County | Ronald Reagan+4,584 | 10,77952.9% | 6,19530.4% | 3,41416.7% | 20,388 |
| Tazewell County | Ronald Reagan+18,557 | 35,48162.8% | 16,92430.0% | 4,0577.2% | 56,462 |
| Union County | Ronald Reagan+508 | 4,28950.8% | 3,78144.8% | 3714.4% | 8,441 |
| Vermilion County | Ronald Reagan+8,081 | 22,57957.1% | 14,49836.6% | 2,4906.3% | 39,567 |
| Wabash County | Ronald Reagan+1,596 | 3,57161.2% | 1,97533.8% | 2915.0% | 5,837 |
| Warren County | Ronald Reagan+2,911 | 5,66762.5% | 2,75630.4% | 6487.1% | 9,071 |
| Washington County | Ronald Reagan+3,196 | 5,35469.0% | 2,15827.8% | 2503.2% | 7,762 |
| Wayne County | Ronald Reagan+2,755 | 6,01362.9% | 3,25834.1% | 2863.0% | 9,557 |
| White County | Ronald Reagan+1,816 | 5,27958.2% | 3,46338.2% | 3303.6% | 9,072 |
| Whiteside County | Ronald Reagan+10,198 | 17,38966.7% | 7,19127.6% | 1,4845.7% | 26,064 |
| Will County | Ronald Reagan+27,335 | 69,31057.4% | 41,97534.8% | 9,3737.8% | 120,658 |
| Williamson County | Ronald Reagan+3,672 | 14,45155.1% | 10,77941.1% | 9983.8% | 26,228 |
| Winnebago County | Ronald Reagan+16,441 | 48,82546.5% | 32,38430.8% | 23,88022.7% | 105,089 |
| Woodford County | Ronald Reagan+7,239 | 10,79170.7% | 3,55223.3% | 9256.1% | 15,268 |
Nominees: Jimmy Carter (D) · Ronald Reagan (R)
Illinois's presidential margins
1892–2024, the 1980 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | +3.1% |
| 1896 | −13.0% |
| 1900 | −8.4% |
| 1904 | −28.3% |
| 1908 | −15.5% |
| 1912 | +13.2% |
| 1916 | −9.2% |
| 1920 | −42.3% |
| 1924 | −35.5% |
| 1928 | −14.7% |
| 1932 | +13.2% |
| 1936 | +18.0% |
| 1940 | +2.4% |
| 1944 | +3.5% |
| 1948 | +0.8% |
| 1952 | −9.9% |
| 1956 | −19.2% |
| 1960 | +0.2% |
| 1964 | +18.9% |
| 1968 | −2.9% |
| 1972 | −18.5% |
| 1976 | −2.0% |
| 1980 | −7.9% |
| 1984 | −12.9% |
| 1988 | −2.1% |
| 1992 | +14.2% |
| 1996 | +17.5% |
| 2000 | +12.0% |
| 2004 | +10.3% |
| 2008 | +25.1% |
| 2012 | +16.8% |
| 2016 | +16.9% |
| 2020 | +16.9% |
| 2024 | +10.9% |
Same ballot, 1980IL
Source. MIT Election Data + Science Lab — 1980 presidential returns · official county-level results. Real returns — nothing estimated.