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 |
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 | Herbert Hoover+2,322 | 4,17668.9% | 1,85430.6% | 270.4% | 6,057 |
| Adams County | Herbert Hoover+1,479 | 2,95866.0% | 1,47933.0% | 420.9% | 4,479 |
| Allamakee County | Herbert Hoover+1,558 | 4,78559.4% | 3,22740.1% | 390.5% | 8,051 |
| Appanoose County | Herbert Hoover+3,524 | 6,86466.7% | 3,34032.5% | 830.8% | 10,287 |
| Audubon County | Al Smith+24 | 2,34049.4% | 2,36449.9% | 290.6% | 4,733 |
| Benton County | Herbert Hoover+2,362 | 5,66962.7% | 3,30736.6% | 690.8% | 9,045 |
| Black Hawk County | Herbert Hoover+10,942 | 19,40969.3% | 8,46730.3% | 1130.4% | 27,989 |
| Boone County | Herbert Hoover+4,472 | 7,52170.0% | 3,04928.4% | 1721.6% | 10,742 |
| Bremer County | Herbert Hoover+733 | 3,87955.1% | 3,14644.7% | 180.3% | 7,043 |
| Buchanan County | Herbert Hoover+2,786 | 5,88565.4% | 3,09934.4% | 200.2% | 9,004 |
| Buena Vista County | Herbert Hoover+2,478 | 5,08765.5% | 2,60933.6% | 741.0% | 7,770 |
| Butler County | Herbert Hoover+2,913 | 4,78971.5% | 1,87628.0% | 330.5% | 6,698 |
| Calhoun County | Herbert Hoover+1,455 | 4,13660.2% | 2,68139.0% | 490.7% | 6,866 |
| Carroll County | Al Smith+2,120 | 4,01439.5% | 6,13460.3% | 210.2% | 10,169 |
| Cass County | Herbert Hoover+3,480 | 6,12069.4% | 2,64029.9% | 550.6% | 8,815 |
| Cedar County | Herbert Hoover+2,339 | 4,85665.5% | 2,51733.9% | 420.6% | 7,415 |
| Cerro Gordo County | Herbert Hoover+4,674 | 9,58265.8% | 4,90833.7% | 770.5% | 14,567 |
| Cherokee County | Herbert Hoover+1,208 | 3,90958.9% | 2,70140.7% | 250.4% | 6,635 |
| Chickasaw County | Herbert Hoover+47 | 3,71250.2% | 3,66549.6% | 170.2% | 7,394 |
| Clarke County | Herbert Hoover+1,138 | 2,78061.9% | 1,64236.6% | 681.5% | 4,490 |
| Clay County | Herbert Hoover+1,922 | 3,98665.5% | 2,06433.9% | 350.6% | 6,085 |
| Clayton County | Herbert Hoover+2,543 | 6,77461.3% | 4,23138.3% | 490.4% | 11,054 |
| Clinton County | Herbert Hoover+3,652 | 12,29558.6% | 8,64341.2% | 540.3% | 20,992 |
| Crawford County | Al Smith+1,059 | 3,43643.1% | 4,49556.3% | 500.6% | 7,981 |
| Dallas County | Herbert Hoover+4,186 | 7,29469.7% | 3,10829.7% | 580.6% | 10,460 |
| Davis County | Herbert Hoover+538 | 3,09754.5% | 2,55945.0% | 250.4% | 5,681 |
| Decatur County | Herbert Hoover+1,267 | 3,94259.1% | 2,67540.1% | 580.9% | 6,675 |
| Delaware County | Herbert Hoover+2,347 | 5,39063.7% | 3,04336.0% | 230.3% | 8,456 |
| Des Moines County | Herbert Hoover+4,969 | 10,54764.7% | 5,57834.2% | 1771.1% | 16,302 |
| Dickinson County | Herbert Hoover+1,794 | 3,04570.6% | 1,25129.0% | 190.4% | 4,315 |
| Dubuque County | Al Smith+9,693 | 9,74433.3% | 19,43766.4% | 810.3% | 29,262 |
| Emmet County | Herbert Hoover+1,846 | 3,21870.1% | 1,37229.9% | 00.0% | 4,590 |
| Fayette County | Herbert Hoover+4,277 | 8,33866.7% | 4,06132.5% | 1100.9% | 12,509 |
| Floyd County | Herbert Hoover+3,601 | 5,67572.8% | 2,07426.6% | 460.6% | 7,795 |
| Franklin County | Herbert Hoover+1,736 | 3,42465.5% | 1,68832.3% | 1122.1% | 5,224 |
| Fremont County | Herbert Hoover+775 | 3,59755.7% | 2,82243.7% | 380.6% | 6,457 |
| Greene County | Herbert Hoover+2,292 | 4,29967.8% | 2,00731.7% | 310.5% | 6,337 |
| Grundy County | Herbert Hoover+2,051 | 3,67169.0% | 1,62030.5% | 270.5% | 5,318 |
| Guthrie County | Herbert Hoover+2,537 | 4,77267.8% | 2,23531.8% | 270.4% | 7,034 |
| Hamilton County | Herbert Hoover+1,196 | 4,17158.0% | 2,97541.4% | 440.6% | 7,190 |
| Hancock County | Herbert Hoover+1,181 | 3,11461.1% | 1,93337.9% | 480.9% | 5,095 |
| Hardin County | Herbert Hoover+3,358 | 5,73170.3% | 2,37329.1% | 460.6% | 8,150 |
| Harrison County | Herbert Hoover+1,199 | 5,60555.8% | 4,40643.9% | 350.3% | 10,046 |
| Henry County | Herbert Hoover+3,107 | 5,16070.9% | 2,05328.2% | 650.9% | 7,278 |
| Howard County | Herbert Hoover+182 | 3,37551.2% | 3,19348.4% | 260.4% | 6,594 |
| Humboldt County | Herbert Hoover+1,149 | 2,82862.5% | 1,67937.1% | 160.4% | 4,523 |
| Ida County | Herbert Hoover+314 | 2,48652.8% | 2,17246.1% | 531.1% | 4,711 |
| Iowa County | Herbert Hoover+1,016 | 4,09156.9% | 3,07542.7% | 300.4% | 7,196 |
| Jackson County | Herbert Hoover+1,011 | 4,74055.7% | 3,72943.8% | 370.4% | 8,506 |
| Jasper County | Herbert Hoover+5,287 | 9,14469.8% | 3,85729.4% | 1070.8% | 13,108 |
| Jefferson County | Herbert Hoover+2,760 | 4,91969.0% | 2,15930.3% | 460.6% | 7,124 |
| Johnson County | Herbert Hoover+107 | 7,28850.3% | 7,18149.5% | 290.2% | 14,498 |
| Jones County | Herbert Hoover+2,114 | 5,09062.8% | 2,97636.7% | 350.4% | 8,101 |
| Keokuk County | Herbert Hoover+1,532 | 5,30458.2% | 3,77241.4% | 320.4% | 9,108 |
| Kossuth County | Herbert Hoover+142 | 4,87850.4% | 4,73648.9% | 720.7% | 9,686 |
| Lee County | Herbert Hoover+3,860 | 11,64559.9% | 7,78540.0% | 250.1% | 19,455 |
| Linn County | Herbert Hoover+13,737 | 25,45268.2% | 11,71531.4% | 1320.4% | 37,299 |
| Louisa County | Herbert Hoover+1,818 | 3,27568.8% | 1,45730.6% | 280.6% | 4,760 |
| Lucas County | Herbert Hoover+1,923 | 3,81166.0% | 1,88832.7% | 741.3% | 5,773 |
| Lyon County | Herbert Hoover+1,538 | 3,17065.5% | 1,63233.7% | 360.7% | 4,838 |
| Madison County | Herbert Hoover+2,186 | 4,36466.2% | 2,17833.0% | 550.8% | 6,597 |
| Mahaska County | Herbert Hoover+4,168 | 7,36869.1% | 3,20030.0% | 970.9% | 10,665 |
| Marion County | Herbert Hoover+2,112 | 6,22559.4% | 4,11339.2% | 1491.4% | 10,487 |
| Marshall County | Herbert Hoover+5,942 | 9,32672.9% | 3,38426.5% | 820.6% | 12,792 |
| Mills County | Herbert Hoover+1,250 | 3,42960.9% | 2,17938.7% | 260.5% | 5,634 |
| Mitchell County | Herbert Hoover+1,226 | 3,53459.9% | 2,30839.1% | 581.0% | 5,900 |
| Monona County | Herbert Hoover+909 | 3,74556.5% | 2,83642.8% | 420.6% | 6,623 |
| Monroe County | Herbert Hoover+1,241 | 4,06058.2% | 2,81940.4% | 1021.5% | 6,981 |
| Montgomery County | Herbert Hoover+3,076 | 5,15570.8% | 2,07928.6% | 460.6% | 7,280 |
| Muscatine County | Herbert Hoover+4,549 | 8,60467.4% | 4,05531.8% | 980.8% | 12,757 |
| O'Brien County | Herbert Hoover+2,448 | 4,84566.4% | 2,39732.8% | 560.8% | 7,298 |
| Osceola County | Herbert Hoover+518 | 2,08556.7% | 1,56742.6% | 260.7% | 3,678 |
| Page County | Herbert Hoover+4,703 | 7,18173.3% | 2,47825.3% | 1331.4% | 9,792 |
| Palo Alto County | Herbert Hoover+620 | 3,46354.5% | 2,84344.7% | 490.8% | 6,355 |
| Plymouth County | Al Smith+167 | 4,84849.0% | 5,01550.7% | 340.3% | 9,897 |
| Pocahontas County | Herbert Hoover+498 | 3,32253.8% | 2,82445.7% | 340.6% | 6,180 |
| Polk County | Herbert Hoover+22,565 | 42,29067.6% | 19,72531.6% | 4980.8% | 62,513 |
| Pottawattamie County | Herbert Hoover+4,449 | 14,35458.9% | 9,90540.6% | 1090.4% | 24,368 |
| Poweshiek County | Herbert Hoover+2,425 | 5,21264.0% | 2,78734.2% | 1511.9% | 8,150 |
| Ringgold County | Herbert Hoover+2,102 | 3,67469.6% | 1,57229.8% | 350.7% | 5,281 |
| Sac County | Herbert Hoover+2,047 | 4,46164.5% | 2,41434.9% | 430.6% | 6,918 |
| Scott County | Herbert Hoover+4,032 | 16,97456.5% | 12,94243.1% | 1420.5% | 30,058 |
| Shelby County | Al Smith+145 | 3,45948.8% | 3,60450.9% | 180.3% | 7,081 |
| Sioux County | Herbert Hoover+3,539 | 6,37869.0% | 2,83930.7% | 310.3% | 9,248 |
| Story County | Herbert Hoover+6,321 | 9,03575.7% | 2,71422.7% | 1831.5% | 11,932 |
| Tama County | Herbert Hoover+791 | 5,58953.6% | 4,79846.0% | 450.4% | 10,432 |
| Taylor County | Herbert Hoover+2,626 | 4,70068.7% | 2,07430.3% | 691.0% | 6,843 |
| Union County | Herbert Hoover+2,781 | 5,43266.7% | 2,65132.6% | 600.7% | 8,143 |
| Van Buren County | Herbert Hoover+1,960 | 3,90466.5% | 1,94433.1% | 270.5% | 5,875 |
| Wapello County | Herbert Hoover+5,793 | 11,58666.1% | 5,79333.0% | 1490.9% | 17,528 |
| Warren County | Herbert Hoover+3,055 | 5,29469.7% | 2,23929.5% | 580.8% | 7,591 |
| Washington County | Herbert Hoover+3,194 | 5,94868.0% | 2,75431.5% | 400.5% | 8,742 |
| Wayne County | Herbert Hoover+1,332 | 3,91159.5% | 2,57939.2% | 881.3% | 6,578 |
| Webster County | Herbert Hoover+2,028 | 8,52556.4% | 6,49743.0% | 970.6% | 15,119 |
| Winnebago County | Herbert Hoover+2,118 | 3,38670.1% | 1,26826.2% | 1773.7% | 4,831 |
| Winneshiek County | Herbert Hoover+549 | 5,08452.5% | 4,53546.8% | 730.8% | 9,692 |
| Woodbury County | Herbert Hoover+3,756 | 20,58754.8% | 16,83144.8% | 1660.4% | 37,584 |
| Worth County | Herbert Hoover+1,611 | 2,92167.6% | 1,31030.3% | 902.1% | 4,321 |
| Wright County | Herbert Hoover+2,473 | 5,02065.8% | 2,54733.4% | 630.8% | 7,630 |
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% |
Source. Compiled historical county records — 1928 presidential returns · official county-level results. Real returns — nothing estimated.