Iowa — 1956 presidential election
Recent presidential results
Akashicstate1956 presidential electionIowa · PresidentEisenhowerR+18.4
How it voted
Share of the 1956 vote
| Dwight D. Eisenhower ✓Republican | 59.1% | 729,187 |
|---|---|---|
| Adlai StevensonDemocratic | 40.7% | 501,858 |
| OtherAll other candidates | 0.3% | 3,519 |
1956presidential margin
D+60R+60
99 counties, each filled by 1956 D-vs-R margin. Hover any county for its result.
Iowa cast 10 electoral votes this cycle.
County-level results (99 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adair County, IA | Republican | R+18.4 |
| Adams County, IA | Republican | R+12.2 |
| Allamakee County, IA | Republican | R+32.7 |
| Appanoose County, IA | Republican | R+10.1 |
| Audubon County, IA | Republican | R+8.4 |
| Benton County, IA | Republican | R+16.9 |
| Black Hawk County, IA | Republican | R+16.1 |
| Boone County, IA | Republican | R+7.4 |
| Bremer County, IA | Republican | R+34.4 |
| Buchanan County, IA | Republican | R+22.1 |
| Buena Vista County, IA | Republican | R+22.6 |
| Butler County, IA | Republican | R+42.5 |
| Calhoun County, IA | Republican | R+18.7 |
| Carroll County, IA | Republican | R+6.7 |
| Cass County, IA | Republican | R+36.8 |
| Cedar County, IA | Republican | R+29.5 |
| Cerro Gordo County, IA | Republican | R+14.1 |
| Cherokee County, IA | Republican | R+19.4 |
| Chickasaw County, IA | Republican | R+12.4 |
| Clarke County, IA | Republican | R+12.1 |
| Clay County, IA | Republican | R+26.1 |
| Clayton County, IA | Republican | R+19.6 |
| Clinton County, IA | Republican | R+27.5 |
| Crawford County, IA | Republican | R+10.3 |
| Dallas County, IA | Republican | R+12.1 |
| Davis County, IA | Republican | R+4.0 |
| Decatur County, IA | Republican | R+1.9 |
| Delaware County, IA | Republican | R+37.2 |
| Des Moines County, IA | Republican | R+11.9 |
| Dickinson County, IA | Republican | R+18.6 |
| Dubuque County, IA | Republican | R+15.2 |
| Emmet County, IA | Republican | R+27.4 |
| Fayette County, IA | Republican | R+23.2 |
| Floyd County, IA | Republican | R+24.5 |
| Franklin County, IA | Republican | R+28.9 |
| Fremont County, IA | Republican | R+17.9 |
| Greene County, IA | Republican | R+20.3 |
| Grundy County, IA | Republican | R+44.0 |
| Guthrie County, IA | Republican | R+17.9 |
| Hamilton County, IA | Republican | R+19.3 |
| Hancock County, IA | Republican | R+21.1 |
| Hardin County, IA | Republican | R+27.5 |
| Harrison County, IA | Republican | R+16.8 |
| Henry County, IA | Republican | R+37.1 |
| Howard County, IA | Republican | R+5.8 |
| Humboldt County, IA | Republican | R+15.2 |
| Ida County, IA | Republican | R+21.5 |
| Iowa County, IA | Republican | R+27.3 |
| Jackson County, IA | Republican | R+26.9 |
| Jasper County, IA | Republican | R+13.5 |
| Jefferson County, IA | Republican | R+25.6 |
| Johnson County, IA | Republican | R+12.6 |
| Jones County, IA | Republican | R+25.1 |
| Keokuk County, IA | Republican | R+12.4 |
| Kossuth County, IA | Republican | R+9.6 |
| Lee County, IA | Republican | R+16.9 |
| Linn County, IA | Republican | R+21.3 |
| Louisa County, IA | Republican | R+26.3 |
| Lucas County, IA | Republican | R+16.6 |
| Lyon County, IA | Republican | R+41.7 |
| Madison County, IA | Republican | R+18.8 |
| Mahaska County, IA | Republican | R+26.3 |
| Marion County, IA | Republican | R+12.4 |
| Marshall County, IA | Republican | R+27.7 |
| Mills County, IA | Republican | R+30.1 |
| Mitchell County, IA | Republican | R+22.7 |
| Monona County, IA | Republican | R+5.1 |
| Monroe County, IA | Republican | R+6.6 |
| Montgomery County, IA | Republican | R+31.8 |
| Muscatine County, IA | Republican | R+19.8 |
| O'Brien County, IA | Republican | R+34.7 |
| Osceola County, IA | Republican | R+25.3 |
| Page County, IA | Republican | R+42.1 |
| Palo Alto County, IA | Republican | R+2.3 |
| Plymouth County, IA | Republican | R+34.8 |
| Pocahontas County, IA | Republican | R+5.9 |
| Polk County, IA | Republican | R+8.1 |
| Pottawattamie County, IA | Republican | R+16.1 |
| Poweshiek County, IA | Republican | R+17.6 |
| Ringgold County, IA | Republican | R+20.9 |
| Sac County, IA | Republican | R+20.0 |
| Scott County, IA | Republican | R+19.1 |
| Shelby County, IA | Republican | R+14.4 |
| Sioux County, IA | Republican | R+56.7 |
| Story County, IA | Republican | R+35.2 |
| Tama County, IA | Republican | R+10.7 |
| Taylor County, IA | Republican | R+18.4 |
| Union County, IA | Republican | R+24.5 |
| Van Buren County, IA | Republican | R+27.6 |
| Wapello County, IA | Democratic | D+2.6 |
| Warren County, IA | Republican | R+18.5 |
| Washington County, IA | Republican | R+31.8 |
| Wayne County, IA | Republican | R+13.3 |
| Webster County, IA | Republican | R+5.7 |
| Winnebago County, IA | Republican | R+21.8 |
| Winneshiek County, IA | Republican | R+18.6 |
| Woodbury County, IA | Republican | R+11.9 |
| Worth County, IA | Republican | R+4.5 |
| Wright County, IA | Republican | R+17.5 |
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 | Dwight D. Eisenhower+1,064 | 3,42659.2% | 2,36240.8% | 30.1% | 5,791 |
| Adams County | Dwight D. Eisenhower+492 | 2,24855.9% | 1,75643.7% | 160.4% | 4,020 |
| Allamakee County | Dwight D. Eisenhower+2,560 | 5,18266.2% | 2,62233.5% | 200.3% | 7,824 |
| Appanoose County | Dwight D. Eisenhower+916 | 4,98055.0% | 4,06444.9% | 100.1% | 9,054 |
| Audubon County | Dwight D. Eisenhower+472 | 3,05754.2% | 2,58545.8% | 20.0% | 5,644 |
| Benton County | Dwight D. Eisenhower+1,688 | 5,63456.3% | 3,94639.4% | 4264.3% | 10,006 |
| Black Hawk County | Dwight D. Eisenhower+7,847 | 28,25058.0% | 20,40341.9% | 660.1% | 48,719 |
| Boone County | Dwight D. Eisenhower+925 | 6,74053.6% | 5,81546.3% | 90.1% | 12,564 |
| Bremer County | Dwight D. Eisenhower+3,038 | 5,93067.1% | 2,89232.7% | 90.1% | 8,831 |
| Buchanan County | Dwight D. Eisenhower+1,999 | 5,51261.0% | 3,51338.9% | 100.1% | 9,035 |
| Buena Vista County | Dwight D. Eisenhower+2,387 | 6,47061.3% | 4,08338.7% | 100.1% | 10,563 |
| Butler County | Dwight D. Eisenhower+3,380 | 5,66971.2% | 2,28928.8% | 30.0% | 7,961 |
| Calhoun County | Dwight D. Eisenhower+1,437 | 4,40957.5% | 2,97238.8% | 2883.8% | 7,669 |
| Carroll County | Dwight D. Eisenhower+731 | 5,81653.3% | 5,08546.6% | 120.1% | 10,913 |
| Cass County | Dwight D. Eisenhower+3,285 | 6,10368.3% | 2,81831.6% | 90.1% | 8,930 |
| Cedar County | Dwight D. Eisenhower+2,432 | 5,34464.7% | 2,91235.3% | 20.0% | 8,258 |
| Cerro Gordo County | Dwight D. Eisenhower+3,087 | 12,44957.0% | 9,36242.9% | 300.1% | 21,841 |
| Cherokee County | Dwight D. Eisenhower+1,567 | 4,82159.7% | 3,25440.3% | 40.0% | 8,079 |
| Chickasaw County | Dwight D. Eisenhower+930 | 4,20556.1% | 3,27543.7% | 150.2% | 7,495 |
| Clarke County | Dwight D. Eisenhower+533 | 2,46256.0% | 1,92943.9% | 60.1% | 4,397 |
| Clay County | Dwight D. Eisenhower+2,137 | 5,10762.4% | 2,97036.3% | 1131.4% | 8,190 |
| Clayton County | Dwight D. Eisenhower+2,145 | 6,52959.8% | 4,38440.1% | 130.1% | 10,926 |
| Clinton County | Dwight D. Eisenhower+6,371 | 14,76563.6% | 8,39436.2% | 490.2% | 23,208 |
| Crawford County | Dwight D. Eisenhower+859 | 4,60855.0% | 3,74944.8% | 170.2% | 8,374 |
| Dallas County | Dwight D. Eisenhower+1,434 | 6,61956.1% | 5,18543.9% | 20.0% | 11,806 |
| Davis County | Dwight D. Eisenhower+203 | 2,66151.9% | 2,45847.9% | 100.2% | 5,129 |
| Decatur County | Dwight D. Eisenhower+106 | 2,91250.9% | 2,80649.0% | 70.1% | 5,725 |
| Delaware County | Dwight D. Eisenhower+3,111 | 5,73268.5% | 2,62131.3% | 160.2% | 8,369 |
| Des Moines County | Dwight D. Eisenhower+2,371 | 11,15255.9% | 8,78144.0% | 250.1% | 19,958 |
| Dickinson County | Dwight D. Eisenhower+1,143 | 3,64159.1% | 2,49840.6% | 180.3% | 6,157 |
| Dubuque County | Dwight D. Eisenhower+4,749 | 17,92357.4% | 13,17442.2% | 1500.5% | 31,247 |
| Emmet County | Dwight D. Eisenhower+1,807 | 4,19363.7% | 2,38636.2% | 50.1% | 6,584 |
| Fayette County | Dwight D. Eisenhower+2,979 | 7,91461.5% | 4,93538.4% | 170.1% | 12,866 |
| Floyd County | Dwight D. Eisenhower+2,433 | 6,17262.2% | 3,73937.7% | 160.2% | 9,927 |
| Franklin County | Dwight D. Eisenhower+2,050 | 4,56364.4% | 2,51335.5% | 80.1% | 7,084 |
| Fremont County | Dwight D. Eisenhower+987 | 3,24158.8% | 2,25440.9% | 160.3% | 5,511 |
| Greene County | Dwight D. Eisenhower+1,453 | 4,25559.4% | 2,80239.1% | 1051.5% | 7,162 |
| Grundy County | Dwight D. Eisenhower+3,007 | 4,91572.0% | 1,90827.9% | 40.1% | 6,827 |
| Guthrie County | Dwight D. Eisenhower+1,302 | 4,28358.9% | 2,98141.0% | 60.1% | 7,270 |
| Hamilton County | Dwight D. Eisenhower+1,838 | 5,66759.6% | 3,82940.2% | 180.2% | 9,514 |
| Hancock County | Dwight D. Eisenhower+1,502 | 4,30560.5% | 2,80339.4% | 60.1% | 7,114 |
| Hardin County | Dwight D. Eisenhower+2,867 | 6,64263.7% | 3,77536.2% | 150.1% | 10,432 |
| Harrison County | Dwight D. Eisenhower+1,500 | 5,20958.3% | 3,70941.5% | 170.2% | 8,935 |
| Henry County | Dwight D. Eisenhower+3,151 | 5,81868.5% | 2,66731.4% | 100.1% | 8,495 |
| Howard County | Dwight D. Eisenhower+385 | 3,49152.9% | 3,10647.0% | 80.1% | 6,605 |
| Humboldt County | Dwight D. Eisenhower+991 | 3,74757.6% | 2,75642.4% | 40.1% | 6,507 |
| Ida County | Dwight D. Eisenhower+1,143 | 3,22660.8% | 2,08339.2% | 10.0% | 5,310 |
| Iowa County | Dwight D. Eisenhower+2,122 | 4,87562.7% | 2,75335.4% | 1491.9% | 7,777 |
| Jackson County | Dwight D. Eisenhower+2,394 | 5,57562.6% | 3,18135.7% | 1491.7% | 8,905 |
| Jasper County | Dwight D. Eisenhower+2,212 | 9,31056.7% | 7,09843.2% | 200.1% | 16,428 |
| Jefferson County | Dwight D. Eisenhower+1,962 | 4,80762.8% | 2,84537.1% | 70.1% | 7,659 |
| Johnson County | Dwight D. Eisenhower+2,531 | 11,29856.3% | 8,76743.7% | 110.1% | 20,076 |
| Jones County | Dwight D. Eisenhower+2,253 | 5,60562.5% | 3,35237.4% | 100.1% | 8,967 |
| Keokuk County | Dwight D. Eisenhower+1,031 | 4,68056.1% | 3,64943.8% | 90.1% | 8,338 |
| Kossuth County | Dwight D. Eisenhower+1,166 | 6,68054.7% | 5,51445.2% | 100.1% | 12,204 |
| Lee County | Dwight D. Eisenhower+3,345 | 11,57158.4% | 8,22641.5% | 320.2% | 19,829 |
| Linn County | Dwight D. Eisenhower+11,735 | 33,40260.6% | 21,66739.3% | 470.1% | 55,116 |
| Louisa County | Dwight D. Eisenhower+1,326 | 3,18463.1% | 1,85836.8% | 60.1% | 5,048 |
| Lucas County | Dwight D. Eisenhower+966 | 3,39758.2% | 2,43141.7% | 40.1% | 5,832 |
| Lyon County | Dwight D. Eisenhower+2,566 | 4,35670.8% | 1,79029.1% | 40.1% | 6,150 |
| Madison County | Dwight D. Eisenhower+1,231 | 3,88359.3% | 2,65240.5% | 90.1% | 6,544 |
| Mahaska County | Dwight D. Eisenhower+2,899 | 6,86462.2% | 3,96535.9% | 2051.9% | 11,034 |
| Marion County | Dwight D. Eisenhower+1,514 | 6,83056.1% | 5,31643.7% | 220.2% | 12,168 |
| Marshall County | Dwight D. Eisenhower+4,550 | 10,30562.7% | 5,75535.0% | 3652.2% | 16,425 |
| Mills County | Dwight D. Eisenhower+1,642 | 3,53964.9% | 1,89734.8% | 180.3% | 5,454 |
| Mitchell County | Dwight D. Eisenhower+1,545 | 4,17561.3% | 2,63038.6% | 70.1% | 6,812 |
| Monona County | Dwight D. Eisenhower+377 | 3,85452.5% | 3,47747.3% | 140.2% | 7,345 |
| Monroe County | Dwight D. Eisenhower+368 | 2,98453.2% | 2,61646.6% | 120.2% | 5,612 |
| Montgomery County | Dwight D. Eisenhower+2,430 | 5,02765.8% | 2,59734.0% | 190.2% | 7,643 |
| Muscatine County | Dwight D. Eisenhower+2,834 | 8,55259.8% | 5,71840.0% | 280.2% | 14,298 |
| O'Brien County | Dwight D. Eisenhower+3,168 | 6,13867.3% | 2,97032.6% | 100.1% | 9,118 |
| Osceola County | Dwight D. Eisenhower+1,207 | 2,98662.6% | 1,77937.3% | 70.1% | 4,772 |
| Page County | Dwight D. Eisenhower+4,379 | 7,38071.0% | 3,00128.9% | 160.2% | 10,397 |
| Palo Alto County | Dwight D. Eisenhower+171 | 3,79551.1% | 3,62448.8% | 20.0% | 7,421 |
| Plymouth County | Dwight D. Eisenhower+3,744 | 7,24667.4% | 3,50232.6% | 00.0% | 10,748 |
| Pocahontas County | Dwight D. Eisenhower+405 | 3,60652.9% | 3,20146.9% | 110.2% | 6,818 |
| Polk County | Dwight D. Eisenhower+9,367 | 62,39254.0% | 53,02545.9% | 740.1% | 115,491 |
| Pottawattamie County | Dwight D. Eisenhower+4,901 | 17,63257.9% | 12,73141.8% | 1050.3% | 30,468 |
| Poweshiek County | Dwight D. Eisenhower+1,543 | 5,14558.8% | 3,60241.2% | 20.0% | 8,749 |
| Ringgold County | Dwight D. Eisenhower+938 | 2,71360.4% | 1,77539.5% | 20.0% | 4,490 |
| Sac County | Dwight D. Eisenhower+1,626 | 4,87460.0% | 3,24840.0% | 30.0% | 8,125 |
| Scott County | Dwight D. Eisenhower+8,996 | 27,96559.4% | 18,96940.3% | 1700.4% | 47,104 |
| Shelby County | Dwight D. Eisenhower+1,125 | 4,42556.8% | 3,30042.3% | 680.9% | 7,793 |
| Sioux County | Dwight D. Eisenhower+6,985 | 9,65178.3% | 2,66621.6% | 110.1% | 12,328 |
| Story County | Dwight D. Eisenhower+6,912 | 13,26467.5% | 6,35232.3% | 240.1% | 19,640 |
| Tama County | Dwight D. Eisenhower+1,157 | 5,95255.2% | 4,79544.5% | 260.2% | 10,773 |
| Taylor County | Dwight D. Eisenhower+1,097 | 3,53359.1% | 2,43640.7% | 90.2% | 5,978 |
| Union County | Dwight D. Eisenhower+1,838 | 4,66662.2% | 2,82837.7% | 70.1% | 7,501 |
| Van Buren County | Dwight D. Eisenhower+1,400 | 3,23363.8% | 1,83336.2% | 20.0% | 5,068 |
| Wapello County | Adlai Stevenson+559 | 10,40148.6% | 10,96051.3% | 200.1% | 21,381 |
| Warren County | Dwight D. Eisenhower+1,701 | 5,43059.2% | 3,72940.6% | 150.2% | 9,174 |
| Washington County | Dwight D. Eisenhower+2,822 | 5,84465.8% | 3,02234.0% | 100.1% | 8,876 |
| Wayne County | Dwight D. Eisenhower+787 | 3,34056.6% | 2,55343.3% | 40.1% | 5,897 |
| Webster County | Dwight D. Eisenhower+1,196 | 11,09752.7% | 9,90147.0% | 510.2% | 21,049 |
| Winnebago County | Dwight D. Eisenhower+1,405 | 3,92660.8% | 2,52139.1% | 60.1% | 6,453 |
| Winneshiek County | Dwight D. Eisenhower+1,941 | 6,19259.2% | 4,25140.6% | 170.2% | 10,460 |
| Woodbury County | Dwight D. Eisenhower+5,402 | 25,39955.9% | 19,99744.0% | 490.1% | 45,445 |
| Worth County | Dwight D. Eisenhower+235 | 2,70052.3% | 2,46547.7% | 20.0% | 5,167 |
| Wright County | Dwight D. Eisenhower+1,647 | 5,51258.7% | 3,86541.2% | 130.1% | 9,390 |
Nominees: Adlai Stevenson (D) · Dwight D. Eisenhower (R)
Iowa's presidential margins
1892–2024, the 1956 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 — 1956 presidential returns · official county-level results. Real returns — nothing estimated.