Illinois — 1920 presidential election
Recent presidential results
Akashicstate1920 presidential electionIllinois · PresidentHardingR+42.3
How it voted
Share of the 1920 vote
| Warren G. Harding ✓Republican | 67.8% | 1,420,480 |
|---|---|---|
| James M. CoxDemocratic | 25.5% | 534,395 |
| OtherAll other candidates | 6.7% | 139,839 |
1920presidential margin
D+60R+60
102 counties, each filled by 1920 D-vs-R margin. Hover any county for its result.
Illinois cast 29 electoral votes this cycle.
County-level results (102 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adams County, IL | Republican | R+25.0 |
| Alexander County, IL | Republican | R+24.8 |
| Bond County, IL | Republican | R+37.6 |
| Boone County, IL | Republican | R+81.2 |
| Brown County, IL | Democratic | D+7.8 |
| Bureau County, IL | Republican | R+57.2 |
| Calhoun County, IL | Republican | R+31.5 |
| Carroll County, IL | Republican | R+76.5 |
| Cass County, IL | Republican | R+15.0 |
| Champaign County, IL | Republican | R+47.6 |
| Christian County, IL | Republican | R+15.0 |
| Clark County, IL | Republican | R+11.8 |
| Clay County, IL | Republican | R+21.5 |
| Clinton County, IL | Republican | R+40.5 |
| Coles County, IL | Republican | R+18.9 |
| Cook County, IL | Republican | R+49.0 |
| Crawford County, IL | Republican | R+11.6 |
| Cumberland County, IL | Republican | R+17.5 |
| De Witt County, IL | Republican | R+23.3 |
| DeKalb County, IL | Republican | R+70.2 |
| Douglas County, IL | Republican | R+34.4 |
| DuPage County, IL | Republican | R+68.1 |
| Edgar County, IL | Republican | R+8.3 |
| Edwards County, IL | Republican | R+59.6 |
| Effingham County, IL | Republican | R+16.4 |
| Fayette County, IL | Republican | R+19.6 |
| Ford County, IL | Republican | R+66.6 |
| Franklin County, IL | Republican | R+18.2 |
| Fulton County, IL | Republican | R+26.3 |
| Gallatin County, IL | Republican | R+4.2 |
| Greene County, IL | Democratic | D+1.2 |
| Grundy County, IL | Republican | R+66.2 |
| Hamilton County, IL | Republican | R+10.7 |
| Hancock County, IL | Republican | R+17.6 |
| Hardin County, IL | Republican | R+24.2 |
| Henderson County, IL | Republican | R+56.0 |
| Henry County, IL | Republican | R+62.8 |
| Iroquois County, IL | Republican | R+57.2 |
| Jackson County, IL | Republican | R+25.7 |
| Jasper County, IL | Republican | R+4.8 |
| Jefferson County, IL | Republican | R+8.8 |
| Jersey County, IL | Republican | R+17.6 |
| Jo Daviess County, IL | Republican | R+56.2 |
| Johnson County, IL | Republican | R+43.8 |
| Kane County, IL | Republican | R+69.5 |
| Kankakee County, IL | Republican | R+61.9 |
| Kendall County, IL | Republican | R+76.8 |
| Knox County, IL | Republican | R+57.1 |
| Lake County, IL | Republican | R+70.1 |
| LaSalle County, IL | Republican | R+52.8 |
| Lawrence County, IL | Republican | R+11.6 |
| Lee County, IL | Republican | R+61.2 |
| Livingston County, IL | Republican | R+52.5 |
| Logan County, IL | Republican | R+34.7 |
| Macon County, IL | Republican | R+33.9 |
| Macoupin County, IL | Republican | R+14.2 |
| Madison County, IL | Republican | R+27.3 |
| Marion County, IL | Republican | R+17.8 |
| Marshall County, IL | Republican | R+39.2 |
| Mason County, IL | Republican | R+19.0 |
| Massac County, IL | Republican | R+67.7 |
| McDonough County, IL | Republican | R+28.8 |
| McHenry County, IL | Republican | R+71.9 |
| McLean County, IL | Republican | R+40.2 |
| Menard County, IL | Republican | R+20.9 |
| Mercer County, IL | Republican | R+53.4 |
| Monroe County, IL | Republican | R+48.0 |
| Montgomery County, IL | Republican | R+19.0 |
| Morgan County, IL | Republican | R+28.6 |
| Moultrie County, IL | Republican | R+13.0 |
| Ogle County, IL | Republican | R+67.7 |
| Peoria County, IL | Republican | R+40.6 |
| Perry County, IL | Republican | R+27.0 |
| Piatt County, IL | Republican | R+37.9 |
| Pike County, IL | Republican | R+12.5 |
| Pope County, IL | Republican | R+56.0 |
| Pulaski County, IL | Republican | R+27.1 |
| Putnam County, IL | Republican | R+57.5 |
| Randolph County, IL | Republican | R+30.3 |
| Richland County, IL | Republican | R+16.1 |
| Rock Island County, IL | Republican | R+54.4 |
| Saline County, IL | Republican | R+25.4 |
| Sangamon County, IL | Republican | R+29.5 |
| Schuyler County, IL | Republican | R+10.4 |
| Scott County, IL | Republican | R+7.3 |
| Shelby County, IL | Republican | R+10.5 |
| St. Clair County, IL | Republican | R+18.1 |
| Stark County, IL | Republican | R+60.4 |
| Stephenson County, IL | Republican | R+53.0 |
| Tazewell County, IL | Republican | R+33.0 |
| Union County, IL | Democratic | D+7.9 |
| Vermilion County, IL | Republican | R+32.4 |
| Wabash County, IL | Republican | R+6.5 |
| Warren County, IL | Republican | R+44.8 |
| Washington County, IL | Republican | R+53.5 |
| Wayne County, IL | Republican | R+21.8 |
| White County, IL | Republican | R+3.9 |
| Whiteside County, IL | Republican | R+67.3 |
| Will County, IL | Republican | R+57.4 |
| Williamson County, IL | Republican | R+30.2 |
| Winnebago County, IL | Republican | R+65.9 |
| Woodford County, IL | Republican | R+41.4 |
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 | Warren G. Harding+5,630 | 12,85257.1% | 7,22232.1% | 2,44710.9% | 22,521 |
| Alexander County | Warren G. Harding+2,120 | 5,28761.9% | 3,16737.1% | 851.0% | 8,539 |
| Bond County | Warren G. Harding+2,129 | 3,66264.7% | 1,53327.1% | 4688.3% | 5,663 |
| Boone County | Warren G. Harding+4,890 | 5,38689.4% | 4968.2% | 1432.4% | 6,025 |
| Brown County | James M. Cox+276 | 1,59045.1% | 1,86652.9% | 712.0% | 3,527 |
| Bureau County | Warren G. Harding+7,614 | 9,96874.9% | 2,35417.7% | 9807.4% | 13,302 |
| Calhoun County | Warren G. Harding+664 | 1,36764.8% | 70333.3% | 391.8% | 2,109 |
| Carroll County | Warren G. Harding+4,588 | 5,19486.7% | 60610.1% | 1943.2% | 5,994 |
| Cass County | Warren G. Harding+1,095 | 3,95654.1% | 2,86139.1% | 5016.8% | 7,318 |
| Champaign County | Warren G. Harding+10,326 | 15,57371.8% | 5,24724.2% | 8614.0% | 21,681 |
| Christian County | Warren G. Harding+2,137 | 7,53552.7% | 5,39837.8% | 1,3529.5% | 14,285 |
| Clark County | Warren G. Harding+1,131 | 5,31255.4% | 4,18143.6% | 1041.1% | 9,597 |
| Clay County | Warren G. Harding+1,325 | 3,68359.9% | 2,35838.3% | 1081.8% | 6,149 |
| Clinton County | Warren G. Harding+2,903 | 4,56463.7% | 1,66123.2% | 93913.1% | 7,164 |
| Coles County | Warren G. Harding+2,752 | 8,56358.8% | 5,81139.9% | 2001.4% | 14,574 |
| Cook County | Warren G. Harding+437,698 | 635,19771.1% | 197,49922.1% | 60,4416.8% | 893,137 |
| Crawford County | Warren G. Harding+1,096 | 5,18855.0% | 4,09243.4% | 1501.6% | 9,430 |
| Cumberland County | Warren G. Harding+933 | 3,09558.2% | 2,16240.6% | 631.2% | 5,320 |
| De Witt County | Warren G. Harding+1,922 | 5,00160.7% | 3,07937.4% | 1622.0% | 8,242 |
| DeKalb County | Warren G. Harding+8,674 | 10,37483.9% | 1,70013.8% | 2872.3% | 12,361 |
| Douglas County | Warren G. Harding+2,577 | 4,88565.2% | 2,30830.8% | 2984.0% | 7,491 |
| DuPage County | Warren G. Harding+10,196 | 12,28082.0% | 2,08413.9% | 6124.1% | 14,976 |
| Edgar County | Warren G. Harding+1,056 | 6,75053.3% | 5,69445.0% | 2231.8% | 12,667 |
| Edwards County | Warren G. Harding+2,260 | 3,00279.2% | 74219.6% | 461.2% | 3,790 |
| Effingham County | Warren G. Harding+1,191 | 4,17657.5% | 2,98541.1% | 1061.5% | 7,267 |
| Fayette County | Warren G. Harding+1,934 | 5,75858.5% | 3,82438.8% | 2642.7% | 9,846 |
| Ford County | Warren G. Harding+4,037 | 4,99582.4% | 95815.8% | 1091.8% | 6,062 |
| Franklin County | Warren G. Harding+2,714 | 7,60851.1% | 4,89432.9% | 2,38416.0% | 14,886 |
| Fulton County | Warren G. Harding+4,230 | 9,52359.3% | 5,29332.9% | 1,2567.8% | 16,072 |
| Gallatin County | Warren G. Harding+184 | 2,18449.9% | 2,00045.7% | 1894.3% | 4,373 |
| Greene County | James M. Cox+91 | 3,68548.0% | 3,77649.1% | 2222.9% | 7,683 |
| Grundy County | Warren G. Harding+3,844 | 4,64780.1% | 80313.8% | 3556.1% | 5,805 |
| Hamilton County | Warren G. Harding+629 | 3,22054.7% | 2,59144.0% | 751.3% | 5,886 |
| Hancock County | Warren G. Harding+2,254 | 7,37957.7% | 5,12540.1% | 2742.1% | 12,778 |
| Hardin County | Warren G. Harding+612 | 1,55561.5% | 94337.3% | 291.1% | 2,527 |
| Henderson County | Warren G. Harding+2,007 | 2,74776.6% | 74020.6% | 972.7% | 3,584 |
| Henry County | Warren G. Harding+9,849 | 12,37979.0% | 2,53016.1% | 7684.9% | 15,677 |
| Iroquois County | Warren G. Harding+6,757 | 9,18677.8% | 2,42920.6% | 1941.6% | 11,809 |
| Jackson County | Warren G. Harding+3,428 | 8,00360.0% | 4,57534.3% | 7695.8% | 13,347 |
| Jasper County | Warren G. Harding+308 | 3,27951.6% | 2,97146.8% | 1011.6% | 6,351 |
| Jefferson County | Warren G. Harding+939 | 5,71153.6% | 4,77244.8% | 1771.7% | 10,660 |
| Jersey County | Warren G. Harding+874 | 2,87357.9% | 1,99940.3% | 901.8% | 4,962 |
| Jo Daviess County | Warren G. Harding+4,494 | 6,09876.3% | 1,60420.1% | 2953.7% | 7,997 |
| Johnson County | Warren G. Harding+1,835 | 2,97270.9% | 1,13727.1% | 822.0% | 4,191 |
| Kane County | Warren G. Harding+22,509 | 26,83282.8% | 4,32313.3% | 1,2433.8% | 32,398 |
| Kankakee County | Warren G. Harding+10,025 | 12,85379.3% | 2,82817.5% | 5203.2% | 16,201 |
| Kendall County | Warren G. Harding+3,020 | 3,45988.0% | 43911.2% | 330.8% | 3,931 |
| Knox County | Warren G. Harding+9,707 | 12,55973.9% | 2,85216.8% | 1,5949.4% | 17,005 |
| Lake County | Warren G. Harding+13,391 | 15,71282.3% | 2,32112.2% | 1,0635.6% | 19,096 |
| LaSalle County | Warren G. Harding+17,125 | 23,75173.2% | 6,62620.4% | 2,0576.3% | 32,434 |
| Lawrence County | Warren G. Harding+1,013 | 4,72054.2% | 3,70742.5% | 2873.3% | 8,714 |
| Lee County | Warren G. Harding+5,900 | 7,61578.9% | 1,71517.8% | 3163.3% | 9,646 |
| Livingston County | Warren G. Harding+7,281 | 10,38274.8% | 3,10122.4% | 3912.8% | 13,874 |
| Logan County | Warren G. Harding+3,725 | 6,95764.8% | 3,23230.1% | 5495.1% | 10,738 |
| Macon County | Warren G. Harding+8,569 | 16,48665.3% | 7,91731.3% | 8543.4% | 25,257 |
| Macoupin County | Warren G. Harding+2,764 | 8,70044.7% | 5,93630.5% | 4,83424.8% | 19,470 |
| Madison County | Warren G. Harding+9,100 | 19,24957.8% | 10,14930.5% | 3,89411.7% | 33,292 |
| Marion County | Warren G. Harding+2,269 | 6,62052.1% | 4,35134.2% | 1,74413.7% | 12,715 |
| Marshall County | Warren G. Harding+2,166 | 3,73467.6% | 1,56828.4% | 2214.0% | 5,523 |
| Mason County | Warren G. Harding+1,247 | 3,84258.4% | 2,59539.4% | 1422.2% | 6,579 |
| Massac County | Warren G. Harding+3,043 | 3,73183.0% | 68815.3% | 771.7% | 4,496 |
| McDonough County | Warren G. Harding+3,291 | 7,22163.2% | 3,93034.4% | 2792.4% | 11,430 |
| McHenry County | Warren G. Harding+8,349 | 9,88585.1% | 1,53613.2% | 1951.7% | 11,616 |
| McLean County | Warren G. Harding+10,269 | 16,68065.3% | 6,41125.1% | 2,4649.6% | 25,555 |
| Menard County | Warren G. Harding+1,018 | 2,88259.2% | 1,86438.3% | 1232.5% | 4,869 |
| Mercer County | Warren G. Harding+3,957 | 5,53174.6% | 1,57421.2% | 3114.2% | 7,416 |
| Monroe County | Warren G. Harding+2,023 | 2,95570.1% | 93222.1% | 3287.8% | 4,215 |
| Montgomery County | Warren G. Harding+2,673 | 7,42952.9% | 4,75633.9% | 1,85413.2% | 14,039 |
| Morgan County | Warren G. Harding+3,722 | 8,16962.9% | 4,44734.2% | 3772.9% | 12,993 |
| Moultrie County | Warren G. Harding+766 | 3,27955.8% | 2,51342.7% | 891.5% | 5,881 |
| Ogle County | Warren G. Harding+7,602 | 9,32283.0% | 1,72015.3% | 1911.7% | 11,233 |
| Peoria County | Warren G. Harding+15,088 | 24,54166.0% | 9,45325.4% | 3,1888.6% | 37,182 |
| Perry County | Warren G. Harding+2,120 | 4,59858.5% | 2,47831.5% | 78810.0% | 7,864 |
| Piatt County | Warren G. Harding+2,380 | 4,28368.2% | 1,90330.3% | 981.6% | 6,284 |
| Pike County | Warren G. Harding+1,285 | 5,56454.1% | 4,27941.6% | 4374.3% | 10,280 |
| Pope County | Warren G. Harding+1,799 | 2,48677.4% | 68721.4% | 381.2% | 3,211 |
| Pulaski County | Warren G. Harding+1,726 | 4,00262.8% | 2,27635.7% | 901.4% | 6,368 |
| Putnam County | Warren G. Harding+1,261 | 1,62374.0% | 36216.5% | 2079.4% | 2,192 |
| Randolph County | Warren G. Harding+2,999 | 6,18062.5% | 3,18132.2% | 5215.3% | 9,882 |
| Richland County | Warren G. Harding+852 | 3,02657.1% | 2,17441.0% | 1042.0% | 5,304 |
| Rock Island County | Warren G. Harding+16,700 | 21,90871.3% | 5,20817.0% | 3,60311.7% | 30,719 |
| Saline County | Warren G. Harding+3,222 | 6,72253.0% | 3,50027.6% | 2,47019.5% | 12,692 |
| Sangamon County | Warren G. Harding+10,820 | 21,82059.4% | 11,00030.0% | 3,90310.6% | 36,723 |
| Schuyler County | Warren G. Harding+542 | 2,80053.9% | 2,25843.4% | 1412.7% | 5,199 |
| Scott County | Warren G. Harding+289 | 2,07552.3% | 1,78645.0% | 1102.8% | 3,971 |
| Shelby County | Warren G. Harding+1,238 | 6,35153.9% | 5,11343.4% | 3122.6% | 11,776 |
| St. Clair County | Warren G. Harding+7,649 | 21,68151.3% | 14,03233.2% | 6,51815.4% | 42,231 |
| Stark County | Warren G. Harding+2,089 | 2,75079.6% | 66119.1% | 451.3% | 3,456 |
| Stephenson County | Warren G. Harding+6,798 | 9,57074.6% | 2,77221.6% | 4793.7% | 12,821 |
| Tazewell County | Warren G. Harding+4,039 | 7,67962.7% | 3,64029.7% | 9317.6% | 12,250 |
| Union County | James M. Cox+541 | 3,11945.6% | 3,66053.5% | 681.0% | 6,847 |
| Vermilion County | Warren G. Harding+9,541 | 18,17561.7% | 8,63429.3% | 2,6308.9% | 29,439 |
| Wabash County | Warren G. Harding+357 | 2,87152.4% | 2,51445.9% | 941.7% | 5,479 |
| Warren County | Warren G. Harding+4,073 | 6,30969.4% | 2,23624.6% | 5456.0% | 9,090 |
| Washington County | Warren G. Harding+3,417 | 4,51970.8% | 1,10217.3% | 76512.0% | 6,386 |
| Wayne County | Warren G. Harding+1,771 | 4,90860.5% | 3,13738.7% | 680.8% | 8,113 |
| White County | Warren G. Harding+346 | 4,49451.2% | 4,14847.3% | 1301.5% | 8,772 |
| Whiteside County | Warren G. Harding+8,996 | 10,92381.7% | 1,92714.4% | 5133.8% | 13,363 |
| Will County | Warren G. Harding+16,336 | 21,74676.4% | 5,41019.0% | 1,3184.6% | 28,474 |
| Williamson County | Warren G. Harding+5,390 | 10,11856.7% | 4,72826.5% | 2,98816.8% | 17,834 |
| Winnebago County | Warren G. Harding+16,558 | 19,91379.2% | 3,35513.3% | 1,8667.4% | 25,134 |
| Woodford County | Warren G. Harding+2,952 | 4,92969.1% | 1,97727.7% | 2313.2% | 7,137 |
Nominees: James M. Cox (D) · Warren G. Harding (R)
Illinois's presidential margins
1892–2024, the 1920 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% |
Source. Compiled historical county records — 1920 presidential returns · official county-level results. Real returns — nothing estimated.