Elections / 1956 · President · IA
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 |
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% |
County-by-county results — 99 counties
| County | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| Adair County | R | 2,362 | 3,426 | 5,791 | |
| Adams County | R | 1,756 | 2,248 | 4,020 | |
| Allamakee County | R | 2,622 | 5,182 | 7,824 | |
| Appanoose County | R | 4,064 | 4,980 | 9,054 | |
| Audubon County | R | 2,585 | 3,057 | 5,644 | |
| Benton County | R | 3,946 | 5,634 | 10,006 | |
| Black Hawk County | R | 20,403 | 28,250 | 48,719 | |
| Boone County | R | 5,815 | 6,740 | 12,564 | |
| Bremer County | R | 2,892 | 5,930 | 8,831 | |
| Buchanan County | R | 3,513 | 5,512 | 9,035 | |
| Buena Vista County | R | 4,083 | 6,470 | 10,563 | |
| Butler County | R | 2,289 | 5,669 | 7,961 | |
| Calhoun County | R | 2,972 | 4,409 | 7,669 | |
| Carroll County | R | 5,085 | 5,816 | 10,913 | |
| Cass County | R | 2,818 | 6,103 | 8,930 | |
| Cedar County | R | 2,912 | 5,344 | 8,258 | |
| Cerro Gordo County | R | 9,362 | 12,449 | 21,841 | |
| Cherokee County | R | 3,254 | 4,821 | 8,079 | |
| Chickasaw County | R | 3,275 | 4,205 | 7,495 | |
| Clarke County | R | 1,929 | 2,462 | 4,397 | |
| Clay County | R | 2,970 | 5,107 | 8,190 | |
| Clayton County | R | 4,384 | 6,529 | 10,926 | |
| Clinton County | R | 8,394 | 14,765 | 23,208 | |
| Crawford County | R | 3,749 | 4,608 | 8,374 | |
| Dallas County | R | 5,185 | 6,619 | 11,806 | |
| Davis County | R | 2,458 | 2,661 | 5,129 | |
| Decatur County | R | 2,806 | 2,912 | 5,725 | |
| Delaware County | R | 2,621 | 5,732 | 8,369 | |
| Des Moines County | R | 8,781 | 11,152 | 19,958 | |
| Dickinson County | R | 2,498 | 3,641 | 6,157 | |
| Dubuque County | R | 13,174 | 17,923 | 31,247 | |
| Emmet County | R | 2,386 | 4,193 | 6,584 | |
| Fayette County | R | 4,935 | 7,914 | 12,866 | |
| Floyd County | R | 3,739 | 6,172 | 9,927 | |
| Franklin County | R | 2,513 | 4,563 | 7,084 | |
| Fremont County | R | 2,254 | 3,241 | 5,511 | |
| Greene County | R | 2,802 | 4,255 | 7,162 | |
| Grundy County | R | 1,908 | 4,915 | 6,827 | |
| Guthrie County | R | 2,981 | 4,283 | 7,270 | |
| Hamilton County | R | 3,829 | 5,667 | 9,514 | |
| Hancock County | R | 2,803 | 4,305 | 7,114 | |
| Hardin County | R | 3,775 | 6,642 | 10,432 | |
| Harrison County | R | 3,709 | 5,209 | 8,935 | |
| Henry County | R | 2,667 | 5,818 | 8,495 | |
| Howard County | R | 3,106 | 3,491 | 6,605 | |
| Humboldt County | R | 2,756 | 3,747 | 6,507 | |
| Ida County | R | 2,083 | 3,226 | 5,310 | |
| Iowa County | R | 2,753 | 4,875 | 7,777 | |
| Jackson County | R | 3,181 | 5,575 | 8,905 | |
| Jasper County | R | 7,098 | 9,310 | 16,428 | |
| Jefferson County | R | 2,845 | 4,807 | 7,659 | |
| Johnson County | R | 8,767 | 11,298 | 20,076 | |
| Jones County | R | 3,352 | 5,605 | 8,967 | |
| Keokuk County | R | 3,649 | 4,680 | 8,338 | |
| Kossuth County | R | 5,514 | 6,680 | 12,204 | |
| Lee County | R | 8,226 | 11,571 | 19,829 | |
| Linn County | R | 21,667 | 33,402 | 55,116 | |
| Louisa County | R | 1,858 | 3,184 | 5,048 | |
| Lucas County | R | 2,431 | 3,397 | 5,832 | |
| Lyon County | R | 1,790 | 4,356 | 6,150 | |
| Madison County | R | 2,652 | 3,883 | 6,544 | |
| Mahaska County | R | 3,965 | 6,864 | 11,034 | |
| Marion County | R | 5,316 | 6,830 | 12,168 | |
| Marshall County | R | 5,755 | 10,305 | 16,425 | |
| Mills County | R | 1,897 | 3,539 | 5,454 | |
| Mitchell County | R | 2,630 | 4,175 | 6,812 | |
| Monona County | R | 3,477 | 3,854 | 7,345 | |
| Monroe County | R | 2,616 | 2,984 | 5,612 | |
| Montgomery County | R | 2,597 | 5,027 | 7,643 | |
| Muscatine County | R | 5,718 | 8,552 | 14,298 | |
| O'Brien County | R | 2,970 | 6,138 | 9,118 | |
| Osceola County | R | 1,779 | 2,986 | 4,772 | |
| Page County | R | 3,001 | 7,380 | 10,397 | |
| Palo Alto County | R | 3,624 | 3,795 | 7,421 | |
| Plymouth County | R | 3,502 | 7,246 | 10,748 | |
| Pocahontas County | R | 3,201 | 3,606 | 6,818 | |
| Polk County | R | 53,025 | 62,392 | 115,491 | |
| Pottawattamie County | R | 12,731 | 17,632 | 30,468 | |
| Poweshiek County | R | 3,602 | 5,145 | 8,749 | |
| Ringgold County | R | 1,775 | 2,713 | 4,490 | |
| Sac County | R | 3,248 | 4,874 | 8,125 | |
| Scott County | R | 18,969 | 27,965 | 47,104 | |
| Shelby County | R | 3,300 | 4,425 | 7,793 | |
| Sioux County | R | 2,666 | 9,651 | 12,328 | |
| Story County | R | 6,352 | 13,264 | 19,640 | |
| Tama County | R | 4,795 | 5,952 | 10,773 | |
| Taylor County | R | 2,436 | 3,533 | 5,978 | |
| Union County | R | 2,828 | 4,666 | 7,501 | |
| Van Buren County | R | 1,833 | 3,233 | 5,068 | |
| Wapello County | D | 10,960 | 10,401 | 21,381 | |
| Warren County | R | 3,729 | 5,430 | 9,174 | |
| Washington County | R | 3,022 | 5,844 | 8,876 | |
| Wayne County | R | 2,553 | 3,340 | 5,897 | |
| Webster County | R | 9,901 | 11,097 | 21,049 | |
| Winnebago County | R | 2,521 | 3,926 | 6,453 | |
| Winneshiek County | R | 4,251 | 6,192 | 10,460 | |
| Woodbury County | R | 19,997 | 25,399 | 45,445 | |
| Worth County | R | 2,465 | 2,700 | 5,167 | |
| Wright County | R | 3,865 | 5,512 | 9,390 |
Source. Compiled historical county records — 1956 presidential returns · official county-level results. Real returns — nothing estimated.