Elections / 1928 · President · IA
Iowa — 1928 presidential election
Recent presidential results
Akashicstate1928 presidential electionIowa · PresidentHooverR+24.2
How it voted
Share of the 1928 vote
| Herbert Hoover ✓Republican | 61.8% | 623,570 |
|---|---|---|
| Al SmithDemocratic | 37.6% | 379,011 |
| OtherAll other candidates | 0.7% | 6,608 |
1928presidential margin
D+60R+60
99 counties, each filled by 1928 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+38.3 |
| Adams County, IA | Republican | R+33.0 |
| Allamakee County, IA | Republican | R+19.4 |
| Appanoose County, IA | Republican | R+34.3 |
| Audubon County, IA | Democratic | D+0.5 |
| Benton County, IA | Republican | R+26.1 |
| Black Hawk County, IA | Republican | R+39.1 |
| Boone County, IA | Republican | R+41.6 |
| Bremer County, IA | Republican | R+10.4 |
| Buchanan County, IA | Republican | R+30.9 |
| Buena Vista County, IA | Republican | R+31.9 |
| Butler County, IA | Republican | R+43.5 |
| Calhoun County, IA | Republican | R+21.2 |
| Carroll County, IA | Democratic | D+20.8 |
| Cass County, IA | Republican | R+39.5 |
| Cedar County, IA | Republican | R+31.5 |
| Cerro Gordo County, IA | Republican | R+32.1 |
| Cherokee County, IA | Republican | R+18.2 |
| Chickasaw County, IA | Republican | R+0.6 |
| Clarke County, IA | Republican | R+25.3 |
| Clay County, IA | Republican | R+31.6 |
| Clayton County, IA | Republican | R+23.0 |
| Clinton County, IA | Republican | R+17.4 |
| Crawford County, IA | Democratic | D+13.3 |
| Dallas County, IA | Republican | R+40.0 |
| Davis County, IA | Republican | R+9.5 |
| Decatur County, IA | Republican | R+19.0 |
| Delaware County, IA | Republican | R+27.8 |
| Des Moines County, IA | Republican | R+30.5 |
| Dickinson County, IA | Republican | R+41.6 |
| Dubuque County, IA | Democratic | D+33.1 |
| Emmet County, IA | Republican | R+40.2 |
| Fayette County, IA | Republican | R+34.2 |
| Floyd County, IA | Republican | R+46.2 |
| Franklin County, IA | Republican | R+33.2 |
| Fremont County, IA | Republican | R+12.0 |
| Greene County, IA | Republican | R+36.2 |
| Grundy County, IA | Republican | R+38.6 |
| Guthrie County, IA | Republican | R+36.1 |
| Hamilton County, IA | Republican | R+16.6 |
| Hancock County, IA | Republican | R+23.2 |
| Hardin County, IA | Republican | R+41.2 |
| Harrison County, IA | Republican | R+11.9 |
| Henry County, IA | Republican | R+42.7 |
| Howard County, IA | Republican | R+2.8 |
| Humboldt County, IA | Republican | R+25.4 |
| Ida County, IA | Republican | R+6.7 |
| Iowa County, IA | Republican | R+14.1 |
| Jackson County, IA | Republican | R+11.9 |
| Jasper County, IA | Republican | R+40.3 |
| Jefferson County, IA | Republican | R+38.7 |
| Johnson County, IA | Republican | R+0.7 |
| Jones County, IA | Republican | R+26.1 |
| Keokuk County, IA | Republican | R+16.8 |
| Kossuth County, IA | Republican | R+1.5 |
| Lee County, IA | Republican | R+19.8 |
| Linn County, IA | Republican | R+36.8 |
| Louisa County, IA | Republican | R+38.2 |
| Lucas County, IA | Republican | R+33.3 |
| Lyon County, IA | Republican | R+31.8 |
| Madison County, IA | Republican | R+33.1 |
| Mahaska County, IA | Republican | R+39.1 |
| Marion County, IA | Republican | R+20.1 |
| Marshall County, IA | Republican | R+46.5 |
| Mills County, IA | Republican | R+22.2 |
| Mitchell County, IA | Republican | R+20.8 |
| Monona County, IA | Republican | R+13.7 |
| Monroe County, IA | Republican | R+17.8 |
| Montgomery County, IA | Republican | R+42.3 |
| Muscatine County, IA | Republican | R+35.7 |
| O'Brien County, IA | Republican | R+33.5 |
| Osceola County, IA | Republican | R+14.1 |
| Page County, IA | Republican | R+48.0 |
| Palo Alto County, IA | Republican | R+9.8 |
| Plymouth County, IA | Democratic | D+1.7 |
| Pocahontas County, IA | Republican | R+8.1 |
| Polk County, IA | Republican | R+36.1 |
| Pottawattamie County, IA | Republican | R+18.3 |
| Poweshiek County, IA | Republican | R+29.8 |
| Ringgold County, IA | Republican | R+39.8 |
| Sac County, IA | Republican | R+29.6 |
| Scott County, IA | Republican | R+13.4 |
| Shelby County, IA | Democratic | D+2.0 |
| Sioux County, IA | Republican | R+38.3 |
| Story County, IA | Republican | R+53.0 |
| Tama County, IA | Republican | R+7.6 |
| Taylor County, IA | Republican | R+38.4 |
| Union County, IA | Republican | R+34.2 |
| Van Buren County, IA | Republican | R+33.4 |
| Wapello County, IA | Republican | R+33.0 |
| Warren County, IA | Republican | R+40.2 |
| Washington County, IA | Republican | R+36.5 |
| Wayne County, IA | Republican | R+20.2 |
| Webster County, IA | Republican | R+13.4 |
| Winnebago County, IA | Republican | R+43.8 |
| Winneshiek County, IA | Republican | R+5.7 |
| Woodbury County, IA | Republican | R+10.0 |
| Worth County, IA | Republican | R+37.3 |
| Wright County, IA | Republican | R+32.4 |
Nominees: Al Smith (D) · Herbert Hoover (R)
Iowa's presidential margins
1892–2024, the 1928 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 | 1,854 | 4,176 | 6,057 | |
| Adams County | R | 1,479 | 2,958 | 4,479 | |
| Allamakee County | R | 3,227 | 4,785 | 8,051 | |
| Appanoose County | R | 3,340 | 6,864 | 10,287 | |
| Audubon County | D | 2,364 | 2,340 | 4,733 | |
| Benton County | R | 3,307 | 5,669 | 9,045 | |
| Black Hawk County | R | 8,467 | 19,409 | 27,989 | |
| Boone County | R | 3,049 | 7,521 | 10,742 | |
| Bremer County | R | 3,146 | 3,879 | 7,043 | |
| Buchanan County | R | 3,099 | 5,885 | 9,004 | |
| Buena Vista County | R | 2,609 | 5,087 | 7,770 | |
| Butler County | R | 1,876 | 4,789 | 6,698 | |
| Calhoun County | R | 2,681 | 4,136 | 6,866 | |
| Carroll County | D | 6,134 | 4,014 | 10,169 | |
| Cass County | R | 2,640 | 6,120 | 8,815 | |
| Cedar County | R | 2,517 | 4,856 | 7,415 | |
| Cerro Gordo County | R | 4,908 | 9,582 | 14,567 | |
| Cherokee County | R | 2,701 | 3,909 | 6,635 | |
| Chickasaw County | R | 3,665 | 3,712 | 7,394 | |
| Clarke County | R | 1,642 | 2,780 | 4,490 | |
| Clay County | R | 2,064 | 3,986 | 6,085 | |
| Clayton County | R | 4,231 | 6,774 | 11,054 | |
| Clinton County | R | 8,643 | 12,295 | 20,992 | |
| Crawford County | D | 4,495 | 3,436 | 7,981 | |
| Dallas County | R | 3,108 | 7,294 | 10,460 | |
| Davis County | R | 2,559 | 3,097 | 5,681 | |
| Decatur County | R | 2,675 | 3,942 | 6,675 | |
| Delaware County | R | 3,043 | 5,390 | 8,456 | |
| Des Moines County | R | 5,578 | 10,547 | 16,302 | |
| Dickinson County | R | 1,251 | 3,045 | 4,315 | |
| Dubuque County | D | 19,437 | 9,744 | 29,262 | |
| Emmet County | R | 1,372 | 3,218 | 4,590 | |
| Fayette County | R | 4,061 | 8,338 | 12,509 | |
| Floyd County | R | 2,074 | 5,675 | 7,795 | |
| Franklin County | R | 1,688 | 3,424 | 5,224 | |
| Fremont County | R | 2,822 | 3,597 | 6,457 | |
| Greene County | R | 2,007 | 4,299 | 6,337 | |
| Grundy County | R | 1,620 | 3,671 | 5,318 | |
| Guthrie County | R | 2,235 | 4,772 | 7,034 | |
| Hamilton County | R | 2,975 | 4,171 | 7,190 | |
| Hancock County | R | 1,933 | 3,114 | 5,095 | |
| Hardin County | R | 2,373 | 5,731 | 8,150 | |
| Harrison County | R | 4,406 | 5,605 | 10,046 | |
| Henry County | R | 2,053 | 5,160 | 7,278 | |
| Howard County | R | 3,193 | 3,375 | 6,594 | |
| Humboldt County | R | 1,679 | 2,828 | 4,523 | |
| Ida County | R | 2,172 | 2,486 | 4,711 | |
| Iowa County | R | 3,075 | 4,091 | 7,196 | |
| Jackson County | R | 3,729 | 4,740 | 8,506 | |
| Jasper County | R | 3,857 | 9,144 | 13,108 | |
| Jefferson County | R | 2,159 | 4,919 | 7,124 | |
| Johnson County | R | 7,181 | 7,288 | 14,498 | |
| Jones County | R | 2,976 | 5,090 | 8,101 | |
| Keokuk County | R | 3,772 | 5,304 | 9,108 | |
| Kossuth County | R | 4,736 | 4,878 | 9,686 | |
| Lee County | R | 7,785 | 11,645 | 19,455 | |
| Linn County | R | 11,715 | 25,452 | 37,299 | |
| Louisa County | R | 1,457 | 3,275 | 4,760 | |
| Lucas County | R | 1,888 | 3,811 | 5,773 | |
| Lyon County | R | 1,632 | 3,170 | 4,838 | |
| Madison County | R | 2,178 | 4,364 | 6,597 | |
| Mahaska County | R | 3,200 | 7,368 | 10,665 | |
| Marion County | R | 4,113 | 6,225 | 10,487 | |
| Marshall County | R | 3,384 | 9,326 | 12,792 | |
| Mills County | R | 2,179 | 3,429 | 5,634 | |
| Mitchell County | R | 2,308 | 3,534 | 5,900 | |
| Monona County | R | 2,836 | 3,745 | 6,623 | |
| Monroe County | R | 2,819 | 4,060 | 6,981 | |
| Montgomery County | R | 2,079 | 5,155 | 7,280 | |
| Muscatine County | R | 4,055 | 8,604 | 12,757 | |
| O'Brien County | R | 2,397 | 4,845 | 7,298 | |
| Osceola County | R | 1,567 | 2,085 | 3,678 | |
| Page County | R | 2,478 | 7,181 | 9,792 | |
| Palo Alto County | R | 2,843 | 3,463 | 6,355 | |
| Plymouth County | D | 5,015 | 4,848 | 9,897 | |
| Pocahontas County | R | 2,824 | 3,322 | 6,180 | |
| Polk County | R | 19,725 | 42,290 | 62,513 | |
| Pottawattamie County | R | 9,905 | 14,354 | 24,368 | |
| Poweshiek County | R | 2,787 | 5,212 | 8,150 | |
| Ringgold County | R | 1,572 | 3,674 | 5,281 | |
| Sac County | R | 2,414 | 4,461 | 6,918 | |
| Scott County | R | 12,942 | 16,974 | 30,058 | |
| Shelby County | D | 3,604 | 3,459 | 7,081 | |
| Sioux County | R | 2,839 | 6,378 | 9,248 | |
| Story County | R | 2,714 | 9,035 | 11,932 | |
| Tama County | R | 4,798 | 5,589 | 10,432 | |
| Taylor County | R | 2,074 | 4,700 | 6,843 | |
| Union County | R | 2,651 | 5,432 | 8,143 | |
| Van Buren County | R | 1,944 | 3,904 | 5,875 | |
| Wapello County | R | 5,793 | 11,586 | 17,528 | |
| Warren County | R | 2,239 | 5,294 | 7,591 | |
| Washington County | R | 2,754 | 5,948 | 8,742 | |
| Wayne County | R | 2,579 | 3,911 | 6,578 | |
| Webster County | R | 6,497 | 8,525 | 15,119 | |
| Winnebago County | R | 1,268 | 3,386 | 4,831 | |
| Winneshiek County | R | 4,535 | 5,084 | 9,692 | |
| Woodbury County | R | 16,831 | 20,587 | 37,584 | |
| Worth County | R | 1,310 | 2,921 | 4,321 | |
| Wright County | R | 2,547 | 5,020 | 7,630 |
Source. Compiled historical county records — 1928 presidential returns · official county-level results. Real returns — nothing estimated.