Iowa — 1920 presidential election
Recent presidential results
Akashicstate1920 presidential electionIowa · PresidentHardingR+45.5
How it voted
Share of the 1920 vote
| Warren G. Harding ✓Republican | 70.9% | 634,674 |
|---|---|---|
| James M. CoxDemocratic | 25.5% | 227,804 |
| OtherAll other candidates | 3.6% | 32,487 |
1920presidential margin
D+60R+60
99 counties, each filled by 1920 D-vs-R margin. Hover any county for its result.
Iowa cast 13 electoral votes this cycle.
County-level results (99 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adair County, IA | Republican | R+49.9 |
| Adams County, IA | Republican | R+25.8 |
| Allamakee County, IA | Republican | R+47.4 |
| Appanoose County, IA | Republican | R+35.2 |
| Audubon County, IA | Republican | R+35.6 |
| Benton County, IA | Republican | R+45.6 |
| Black Hawk County, IA | Republican | R+58.5 |
| Boone County, IA | Republican | R+48.6 |
| Bremer County, IA | Republican | R+74.1 |
| Buchanan County, IA | Republican | R+59.2 |
| Buena Vista County, IA | Republican | R+59.4 |
| Butler County, IA | Republican | R+74.5 |
| Calhoun County, IA | Republican | R+55.4 |
| Carroll County, IA | Republican | R+47.8 |
| Cass County, IA | Republican | R+58.3 |
| Cedar County, IA | Republican | R+58.5 |
| Cerro Gordo County, IA | Republican | R+54.7 |
| Cherokee County, IA | Republican | R+57.0 |
| Chickasaw County, IA | Republican | R+34.8 |
| Clarke County, IA | Republican | R+42.5 |
| Clay County, IA | Republican | R+62.1 |
| Clayton County, IA | Republican | R+56.7 |
| Clinton County, IA | Republican | R+49.0 |
| Crawford County, IA | Republican | R+41.7 |
| Dallas County, IA | Republican | R+43.4 |
| Davis County, IA | Republican | R+13.8 |
| Decatur County, IA | Republican | R+23.3 |
| Delaware County, IA | Republican | R+67.3 |
| Des Moines County, IA | Republican | R+37.2 |
| Dickinson County, IA | Republican | R+61.9 |
| Dubuque County, IA | Republican | R+22.9 |
| Emmet County, IA | Republican | R+53.6 |
| Fayette County, IA | Republican | R+60.6 |
| Floyd County, IA | Republican | R+71.9 |
| Franklin County, IA | Republican | R+74.3 |
| Fremont County, IA | Republican | R+19.7 |
| Greene County, IA | Republican | R+58.8 |
| Grundy County, IA | Republican | R+72.7 |
| Guthrie County, IA | Republican | R+52.0 |
| Hamilton County, IA | Republican | R+67.1 |
| Hancock County, IA | Republican | R+64.6 |
| Hardin County, IA | Republican | R+70.4 |
| Harrison County, IA | Republican | R+27.2 |
| Henry County, IA | Republican | R+45.4 |
| Howard County, IA | Republican | R+34.8 |
| Humboldt County, IA | Republican | R+67.1 |
| Ida County, IA | Republican | R+52.5 |
| Iowa County, IA | Republican | R+41.1 |
| Jackson County, IA | Republican | R+40.1 |
| Jasper County, IA | Republican | R+36.5 |
| Jefferson County, IA | Republican | R+50.9 |
| Johnson County, IA | Republican | R+6.1 |
| Jones County, IA | Republican | R+41.7 |
| Keokuk County, IA | Republican | R+37.3 |
| Kossuth County, IA | Republican | R+55.8 |
| Lee County, IA | Republican | R+34.2 |
| Linn County, IA | Republican | R+47.1 |
| Louisa County, IA | Republican | R+57.2 |
| Lucas County, IA | Republican | R+42.0 |
| Lyon County, IA | Republican | R+65.1 |
| Madison County, IA | Republican | R+39.6 |
| Mahaska County, IA | Republican | R+32.6 |
| Marion County, IA | Republican | R+16.4 |
| Marshall County, IA | Republican | R+60.7 |
| Mills County, IA | Republican | R+39.2 |
| Mitchell County, IA | Republican | R+69.4 |
| Monona County, IA | Republican | R+39.7 |
| Monroe County, IA | Republican | R+32.9 |
| Montgomery County, IA | Republican | R+54.9 |
| Muscatine County, IA | Republican | R+50.4 |
| O'Brien County, IA | Republican | R+54.6 |
| Osceola County, IA | Republican | R+55.4 |
| Page County, IA | Republican | R+55.0 |
| Palo Alto County, IA | Republican | R+44.6 |
| Plymouth County, IA | Republican | R+53.6 |
| Pocahontas County, IA | Republican | R+41.7 |
| Polk County, IA | Republican | R+36.7 |
| Pottawattamie County, IA | Republican | R+32.8 |
| Poweshiek County, IA | Republican | R+45.3 |
| Ringgold County, IA | Republican | R+46.6 |
| Sac County, IA | Republican | R+58.7 |
| Scott County, IA | Republican | R+38.9 |
| Shelby County, IA | Republican | R+41.8 |
| Sioux County, IA | Republican | R+59.6 |
| Story County, IA | Republican | R+63.1 |
| Tama County, IA | Republican | R+41.9 |
| Taylor County, IA | Republican | R+46.9 |
| Union County, IA | Republican | R+32.9 |
| Van Buren County, IA | Republican | R+43.4 |
| Wapello County, IA | Republican | R+39.6 |
| Warren County, IA | Republican | R+43.1 |
| Washington County, IA | Republican | R+43.5 |
| Wayne County, IA | Republican | R+26.6 |
| Webster County, IA | Republican | R+42.4 |
| Winnebago County, IA | Republican | R+76.7 |
| Winneshiek County, IA | Republican | R+54.0 |
| Woodbury County, IA | Republican | R+27.5 |
| Worth County, IA | Republican | R+72.0 |
| Wright County, IA | Republican | R+64.0 |
Iowa results by county
99 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 | |||||
|---|---|---|---|---|---|
| Adair County | Warren G. Harding+2,775 | 4,13374.3% | 1,35824.4% | 721.3% | 5,563 |
| Adams County | Warren G. Harding+1,175 | 2,84562.4% | 1,67036.6% | 420.9% | 4,557 |
| Allamakee County | Warren G. Harding+3,359 | 5,19273.2% | 1,83325.9% | 650.9% | 7,090 |
| Appanoose County | Warren G. Harding+3,430 | 6,38265.5% | 2,95230.3% | 4094.2% | 9,743 |
| Audubon County | Warren G. Harding+1,558 | 2,96367.7% | 1,40532.1% | 100.2% | 4,378 |
| Benton County | Warren G. Harding+4,196 | 6,53971.0% | 2,34325.4% | 3253.5% | 9,207 |
| Black Hawk County | Warren G. Harding+12,920 | 16,92076.6% | 4,00018.1% | 1,1815.3% | 22,101 |
| Boone County | Warren G. Harding+4,853 | 7,09371.1% | 2,24022.4% | 6476.5% | 9,980 |
| Bremer County | Warren G. Harding+5,385 | 6,28786.5% | 90212.4% | 801.1% | 7,269 |
| Buchanan County | Warren G. Harding+4,734 | 6,33479.2% | 1,60020.0% | 630.8% | 7,997 |
| Buena Vista County | Warren G. Harding+3,723 | 4,92778.6% | 1,20419.2% | 1392.2% | 6,270 |
| Butler County | Warren G. Harding+5,070 | 5,90086.7% | 83012.2% | 761.1% | 6,806 |
| Calhoun County | Warren G. Harding+3,798 | 5,27776.9% | 1,47921.6% | 1021.5% | 6,858 |
| Carroll County | Warren G. Harding+4,146 | 6,32072.9% | 2,17425.1% | 1772.0% | 8,671 |
| Cass County | Warren G. Harding+4,890 | 6,55878.2% | 1,66819.9% | 1571.9% | 8,383 |
| Cedar County | Warren G. Harding+4,277 | 5,69777.9% | 1,42019.4% | 1982.7% | 7,315 |
| Cerro Gordo County | Warren G. Harding+5,991 | 8,29375.7% | 2,30221.0% | 3563.3% | 10,951 |
| Cherokee County | Warren G. Harding+3,333 | 4,54477.7% | 1,21120.7% | 941.6% | 5,849 |
| Chickasaw County | Warren G. Harding+2,346 | 4,51767.0% | 2,17132.2% | 560.8% | 6,744 |
| Clarke County | Warren G. Harding+1,893 | 3,15070.8% | 1,25728.2% | 431.0% | 4,450 |
| Clay County | Warren G. Harding+3,470 | 4,47180.1% | 1,00117.9% | 1132.0% | 5,585 |
| Clayton County | Warren G. Harding+4,939 | 6,74777.5% | 1,80820.8% | 1511.7% | 8,706 |
| Clinton County | Warren G. Harding+8,593 | 11,74667.0% | 3,15318.0% | 2,63715.0% | 17,536 |
| Crawford County | Warren G. Harding+3,322 | 5,47368.7% | 2,15127.0% | 3484.4% | 7,972 |
| Dallas County | Warren G. Harding+4,100 | 6,67770.6% | 2,57727.3% | 2002.1% | 9,454 |
| Davis County | Warren G. Harding+764 | 3,11756.3% | 2,35342.5% | 651.2% | 5,535 |
| Decatur County | Warren G. Harding+1,595 | 4,18761.2% | 2,59237.9% | 661.0% | 6,845 |
| Delaware County | Warren G. Harding+4,769 | 5,88083.0% | 1,11115.7% | 971.4% | 7,088 |
| Des Moines County | Warren G. Harding+4,838 | 8,28763.8% | 3,44926.5% | 1,2619.7% | 12,997 |
| Dickinson County | Warren G. Harding+2,538 | 3,29880.4% | 76018.5% | 431.0% | 4,101 |
| Dubuque County | Warren G. Harding+4,800 | 12,43659.2% | 7,63636.4% | 9284.4% | 21,000 |
| Emmet County | Warren G. Harding+2,369 | 3,36076.0% | 99122.4% | 701.6% | 4,421 |
| Fayette County | Warren G. Harding+6,324 | 8,26579.1% | 1,94118.6% | 2382.3% | 10,444 |
| Floyd County | Warren G. Harding+5,173 | 6,10684.8% | 93313.0% | 1582.2% | 7,197 |
| Franklin County | Warren G. Harding+3,796 | 4,39786.1% | 60111.8% | 1112.2% | 5,109 |
| Fremont County | Warren G. Harding+1,252 | 3,77659.3% | 2,52439.7% | 641.0% | 6,364 |
| Greene County | Warren G. Harding+3,799 | 5,10279.0% | 1,30320.2% | 550.9% | 6,460 |
| Grundy County | Warren G. Harding+3,948 | 4,66285.8% | 71413.1% | 561.0% | 5,432 |
| Guthrie County | Warren G. Harding+3,691 | 5,33875.2% | 1,64723.2% | 1141.6% | 7,099 |
| Hamilton County | Warren G. Harding+4,798 | 5,92482.9% | 1,12615.8% | 981.4% | 7,148 |
| Hancock County | Warren G. Harding+2,892 | 3,61780.8% | 72516.2% | 1323.0% | 4,474 |
| Hardin County | Warren G. Harding+5,570 | 6,64684.0% | 1,07613.6% | 1932.4% | 7,915 |
| Harrison County | Warren G. Harding+2,648 | 6,12762.9% | 3,47935.7% | 1361.4% | 9,742 |
| Henry County | Warren G. Harding+3,315 | 5,25471.9% | 1,93926.5% | 1131.5% | 7,306 |
| Howard County | Warren G. Harding+1,884 | 3,60166.5% | 1,71731.7% | 1001.8% | 5,418 |
| Humboldt County | Warren G. Harding+2,896 | 3,57782.8% | 68115.8% | 611.4% | 4,319 |
| Ida County | Warren G. Harding+2,457 | 3,54775.7% | 1,09023.3% | 471.0% | 4,684 |
| Iowa County | Warren G. Harding+2,873 | 4,89269.9% | 2,01928.9% | 861.2% | 6,997 |
| Jackson County | Warren G. Harding+2,809 | 4,76368.0% | 1,95427.9% | 2884.1% | 7,005 |
| Jasper County | Warren G. Harding+4,027 | 7,41767.2% | 3,39030.7% | 2222.0% | 11,029 |
| Jefferson County | Warren G. Harding+3,108 | 4,55874.6% | 1,45023.7% | 1001.6% | 6,108 |
| Johnson County | Warren G. Harding+664 | 5,69652.1% | 5,03246.1% | 1951.8% | 10,923 |
| Jones County | Warren G. Harding+3,526 | 5,96270.5% | 2,43628.8% | 630.7% | 8,461 |
| Keokuk County | Warren G. Harding+3,407 | 6,20767.9% | 2,80030.7% | 1281.4% | 9,135 |
| Kossuth County | Warren G. Harding+4,336 | 6,01877.5% | 1,68221.7% | 690.9% | 7,769 |
| Lee County | Warren G. Harding+5,586 | 10,76365.9% | 5,17731.7% | 3832.3% | 16,323 |
| Linn County | Warren G. Harding+13,104 | 20,03672.0% | 6,93224.9% | 8533.1% | 27,821 |
| Louisa County | Warren G. Harding+2,628 | 3,56077.5% | 93220.3% | 1022.2% | 4,594 |
| Lucas County | Warren G. Harding+2,312 | 3,77568.6% | 1,46326.6% | 2684.9% | 5,506 |
| Lyon County | Warren G. Harding+2,904 | 3,63381.5% | 72916.3% | 972.2% | 4,459 |
| Madison County | Warren G. Harding+2,566 | 4,46568.8% | 1,89929.3% | 1231.9% | 6,487 |
| Mahaska County | Warren G. Harding+3,400 | 6,73964.5% | 3,33932.0% | 3623.5% | 10,440 |
| Marion County | Warren G. Harding+1,574 | 5,43556.6% | 3,86140.2% | 3033.2% | 9,599 |
| Marshall County | Warren G. Harding+7,168 | 9,33479.1% | 2,16618.4% | 3002.5% | 11,800 |
| Mills County | Warren G. Harding+2,091 | 3,68369.0% | 1,59229.8% | 631.2% | 5,338 |
| Mitchell County | Warren G. Harding+3,703 | 4,47683.9% | 77314.5% | 831.6% | 5,332 |
| Monona County | Warren G. Harding+2,609 | 4,56969.5% | 1,96029.8% | 460.7% | 6,575 |
| Monroe County | Warren G. Harding+2,419 | 4,50061.2% | 2,08128.3% | 77110.5% | 7,352 |
| Montgomery County | Warren G. Harding+3,576 | 4,98076.5% | 1,40421.6% | 1261.9% | 6,510 |
| Muscatine County | Warren G. Harding+5,822 | 8,11570.3% | 2,29319.9% | 1,1369.8% | 11,544 |
| O'Brien County | Warren G. Harding+3,669 | 5,13776.5% | 1,46821.9% | 1091.6% | 6,714 |
| Osceola County | Warren G. Harding+1,963 | 2,71776.7% | 75421.3% | 702.0% | 3,541 |
| Page County | Warren G. Harding+5,018 | 6,94976.1% | 1,93121.1% | 2512.7% | 9,131 |
| Palo Alto County | Warren G. Harding+2,437 | 3,90471.4% | 1,46726.8% | 951.7% | 5,466 |
| Plymouth County | Warren G. Harding+4,289 | 6,09076.2% | 1,80122.5% | 1051.3% | 7,996 |
| Pocahontas County | Warren G. Harding+2,407 | 4,04670.1% | 1,63928.4% | 891.5% | 5,774 |
| Polk County | Warren G. Harding+19,792 | 36,07366.8% | 16,28130.2% | 1,6323.0% | 53,986 |
| Pottawattamie County | Warren G. Harding+6,847 | 13,50664.7% | 6,65931.9% | 7223.5% | 20,887 |
| Poweshiek County | Warren G. Harding+3,681 | 5,80671.4% | 2,12526.1% | 1992.4% | 8,130 |
| Ringgold County | Warren G. Harding+2,375 | 3,70272.7% | 1,32726.0% | 661.3% | 5,095 |
| Sac County | Warren G. Harding+3,716 | 4,98478.7% | 1,26820.0% | 821.3% | 6,334 |
| Scott County | Warren G. Harding+10,308 | 16,23358.7% | 5,47319.8% | 5,92521.4% | 27,631 |
| Shelby County | Warren G. Harding+2,739 | 4,62170.5% | 1,88228.7% | 470.7% | 6,550 |
| Sioux County | Warren G. Harding+4,558 | 6,06879.3% | 1,51019.7% | 751.0% | 7,653 |
| Story County | Warren G. Harding+6,804 | 8,71380.8% | 1,90917.7% | 1621.5% | 10,784 |
| Tama County | Warren G. Harding+3,800 | 6,35270.0% | 2,55228.1% | 1691.9% | 9,073 |
| Taylor County | Warren G. Harding+3,240 | 4,99772.4% | 1,75725.5% | 1472.1% | 6,901 |
| Union County | Warren G. Harding+2,238 | 4,46665.6% | 2,22832.7% | 1111.6% | 6,805 |
| Van Buren County | Warren G. Harding+2,639 | 4,32171.0% | 1,68227.6% | 831.4% | 6,086 |
| Wapello County | Warren G. Harding+5,753 | 9,88468.0% | 4,13128.4% | 5223.6% | 14,537 |
| Warren County | Warren G. Harding+3,257 | 5,32370.5% | 2,06627.4% | 1602.1% | 7,549 |
| Washington County | Warren G. Harding+3,556 | 5,81371.1% | 2,25727.6% | 1071.3% | 8,177 |
| Wayne County | Warren G. Harding+1,800 | 4,23462.5% | 2,43435.9% | 1051.6% | 6,773 |
| Webster County | Warren G. Harding+5,508 | 8,31264.0% | 2,80421.6% | 1,87214.4% | 12,988 |
| Winnebago County | Warren G. Harding+3,462 | 3,93187.1% | 46910.4% | 1142.5% | 4,514 |
| Winneshiek County | Warren G. Harding+4,751 | 6,68476.0% | 1,93322.0% | 1802.0% | 8,797 |
| Woodbury County | Warren G. Harding+7,788 | 17,60362.1% | 9,81534.6% | 9443.3% | 28,362 |
| Worth County | Warren G. Harding+2,885 | 3,40184.8% | 51612.9% | 922.3% | 4,009 |
| Wright County | Warren G. Harding+4,534 | 5,73981.0% | 1,20517.0% | 1381.9% | 7,082 |
Nominees: James M. Cox (D) · Warren G. Harding (R)
Iowa's presidential margins
1892–2024, the 1920 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −5.3% |
| 1896 | −12.6% |
| 1900 | −18.6% |
| 1904 | −32.7% |
| 1908 | −15.0% |
| 1912 | +13.3% |
| 1916 | −11.4% |
| 1920 | −45.5% |
| 1924 | −38.6% |
| 1928 | −24.2% |
| 1932 | +17.7% |
| 1936 | +11.7% |
| 1940 | −4.4% |
| 1944 | −4.5% |
| 1948 | +2.7% |
| 1952 | −28.2% |
| 1956 | −18.4% |
| 1960 | −13.5% |
| 1964 | +24.0% |
| 1968 | −12.2% |
| 1972 | −17.1% |
| 1976 | −1.0% |
| 1980 | −12.7% |
| 1984 | −7.4% |
| 1988 | +10.2% |
| 1992 | +6.0% |
| 1996 | +10.3% |
| 2000 | +0.3% |
| 2004 | −0.7% |
| 2008 | +9.5% |
| 2012 | +5.8% |
| 2016 | −9.3% |
| 2020 | −8.2% |
| 2024 | −13.2% |
Source. Compiled historical county records — 1920 presidential returns · official county-level results. Real returns — nothing estimated.