Iowa — 1904 presidential election
Recent presidential results
Akashicstate1904 presidential electionIowa · PresidentRooseveltR+32.7
How it voted
Share of the 1904 vote
| Theodore Roosevelt ✓Republican | 63.4% | 308,158 |
|---|---|---|
| Alton B. ParkerDemocratic | 30.7% | 149,276 |
| OtherAll other candidates | 5.9% | 28,659 |
1904presidential margin
D+60R+60
99 counties, each filled by 1904 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+41.7 |
| Adams County, IA | Republican | R+25.4 |
| Allamakee County, IA | Republican | R+24.6 |
| Appanoose County, IA | Republican | R+30.9 |
| Audubon County, IA | Republican | R+32.1 |
| Benton County, IA | Republican | R+26.3 |
| Black Hawk County, IA | Republican | R+43.1 |
| Boone County, IA | Republican | R+46.0 |
| Bremer County, IA | Republican | R+3.8 |
| Buchanan County, IA | Republican | R+27.3 |
| Buena Vista County, IA | Republican | R+57.6 |
| Butler County, IA | Republican | R+52.7 |
| Calhoun County, IA | Republican | R+43.8 |
| Carroll County, IA | Republican | R+5.6 |
| Cass County, IA | Republican | R+35.6 |
| Cedar County, IA | Republican | R+16.2 |
| Cerro Gordo County, IA | Republican | R+54.5 |
| Cherokee County, IA | Republican | R+53.6 |
| Chickasaw County, IA | Republican | R+4.8 |
| Clarke County, IA | Republican | R+32.4 |
| Clay County, IA | Republican | R+60.9 |
| Clayton County, IA | Republican | R+11.6 |
| Clinton County, IA | Republican | R+12.0 |
| Crawford County, IA | Republican | R+11.2 |
| Dallas County, IA | Republican | R+46.8 |
| Davis County, IA | Republican | R+5.6 |
| Decatur County, IA | Republican | R+21.2 |
| Delaware County, IA | Republican | R+36.6 |
| Des Moines County, IA | Republican | R+17.5 |
| Dickinson County, IA | Republican | R+59.6 |
| Dubuque County, IA | Republican | R+5.0 |
| Emmet County, IA | Republican | R+63.6 |
| Fayette County, IA | Republican | R+29.9 |
| Floyd County, IA | Republican | R+55.7 |
| Franklin County, IA | Republican | R+61.6 |
| Fremont County, IA | Republican | R+18.3 |
| Greene County, IA | Republican | R+45.6 |
| Grundy County, IA | Republican | R+35.7 |
| Guthrie County, IA | Republican | R+45.1 |
| Hamilton County, IA | Republican | R+58.6 |
| Hancock County, IA | Republican | R+59.2 |
| Hardin County, IA | Republican | R+62.7 |
| Harrison County, IA | Republican | R+30.8 |
| Henry County, IA | Republican | R+33.8 |
| Howard County, IA | Republican | R+23.9 |
| Humboldt County, IA | Republican | R+66.3 |
| Ida County, IA | Republican | R+24.2 |
| Iowa County, IA | Republican | R+9.4 |
| Jackson County, IA | Republican | R+7.5 |
| Jasper County, IA | Republican | R+31.8 |
| Jefferson County, IA | Republican | R+30.9 |
| Johnson County, IA | Democratic | D+2.0 |
| Jones County, IA | Republican | R+20.9 |
| Keokuk County, IA | Republican | R+16.4 |
| Kossuth County, IA | Republican | R+37.4 |
| Lee County, IA | Republican | R+8.7 |
| Linn County, IA | Republican | R+36.4 |
| Louisa County, IA | Republican | R+50.2 |
| Lucas County, IA | Republican | R+40.2 |
| Lyon County, IA | Republican | R+34.7 |
| Madison County, IA | Republican | R+34.3 |
| Mahaska County, IA | Republican | R+26.3 |
| Marion County, IA | Republican | R+14.0 |
| Marshall County, IA | Republican | R+47.8 |
| Mills County, IA | Republican | R+26.5 |
| Mitchell County, IA | Republican | R+52.9 |
| Monona County, IA | Republican | R+35.9 |
| Monroe County, IA | Republican | R+39.6 |
| Montgomery County, IA | Republican | R+56.9 |
| Muscatine County, IA | Republican | R+20.9 |
| O'Brien County, IA | Republican | R+42.2 |
| Osceola County, IA | Republican | R+35.7 |
| Page County, IA | Republican | R+51.8 |
| Palo Alto County, IA | Republican | R+29.1 |
| Plymouth County, IA | Republican | R+26.3 |
| Pocahontas County, IA | Republican | R+36.4 |
| Polk County, IA | Republican | R+56.7 |
| Pottawattamie County, IA | Republican | R+27.9 |
| Poweshiek County, IA | Republican | R+41.4 |
| Ringgold County, IA | Republican | R+43.0 |
| Sac County, IA | Republican | R+49.3 |
| Scott County, IA | Republican | R+14.2 |
| Shelby County, IA | Republican | R+18.1 |
| Sioux County, IA | Republican | R+43.6 |
| Story County, IA | Republican | R+63.6 |
| Tama County, IA | Republican | R+13.5 |
| Taylor County, IA | Republican | R+39.5 |
| Union County, IA | Republican | R+31.4 |
| Van Buren County, IA | Republican | R+26.2 |
| Wapello County, IA | Republican | R+30.1 |
| Warren County, IA | Republican | R+39.4 |
| Washington County, IA | Republican | R+22.7 |
| Wayne County, IA | Republican | R+20.5 |
| Webster County, IA | Republican | R+40.6 |
| Winnebago County, IA | Republican | R+81.7 |
| Winneshiek County, IA | Republican | R+39.1 |
| Woodbury County, IA | Republican | R+42.1 |
| Worth County, IA | Republican | R+66.8 |
| Wright County, IA | Republican | R+58.1 |
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 | Theodore Roosevelt+1,408 | 2,30368.2% | 89526.5% | 1785.3% | 3,376 |
| Adams County | Theodore Roosevelt+758 | 1,76158.9% | 1,00333.6% | 2257.5% | 2,989 |
| Allamakee County | Theodore Roosevelt+1,038 | 2,60961.8% | 1,57137.2% | 441.0% | 4,224 |
| Appanoose County | Theodore Roosevelt+1,864 | 3,60759.9% | 1,74328.9% | 67611.2% | 6,026 |
| Audubon County | Theodore Roosevelt+909 | 1,84365.0% | 93432.9% | 592.1% | 2,836 |
| Benton County | Theodore Roosevelt+1,552 | 3,60961.1% | 2,05734.8% | 2414.1% | 5,907 |
| Black Hawk County | Theodore Roosevelt+3,375 | 5,23666.9% | 1,86123.8% | 7309.3% | 7,827 |
| Boone County | Theodore Roosevelt+2,682 | 3,83065.7% | 1,14819.7% | 85514.7% | 5,833 |
| Bremer County | Theodore Roosevelt+144 | 1,92750.8% | 1,78347.0% | 822.2% | 3,792 |
| Buchanan County | Theodore Roosevelt+1,253 | 2,79860.9% | 1,54533.6% | 2495.4% | 4,592 |
| Buena Vista County | Theodore Roosevelt+1,878 | 2,48376.2% | 60518.6% | 1725.3% | 3,260 |
| Butler County | Theodore Roosevelt+1,928 | 2,74375.0% | 81522.3% | 1002.7% | 3,658 |
| Calhoun County | Theodore Roosevelt+1,609 | 2,47967.4% | 87023.7% | 3278.9% | 3,676 |
| Carroll County | Theodore Roosevelt+250 | 2,29051.2% | 2,04045.6% | 1413.2% | 4,471 |
| Cass County | Theodore Roosevelt+1,656 | 3,05065.5% | 1,39430.0% | 2094.5% | 4,653 |
| Cedar County | Theodore Roosevelt+765 | 2,69156.9% | 1,92640.8% | 1092.3% | 4,726 |
| Cerro Gordo County | Theodore Roosevelt+2,272 | 3,10874.6% | 83620.1% | 2255.4% | 4,169 |
| Cherokee County | Theodore Roosevelt+1,758 | 2,44674.6% | 68821.0% | 1454.4% | 3,279 |
| Chickasaw County | Theodore Roosevelt+182 | 1,97251.7% | 1,79047.0% | 491.3% | 3,811 |
| Clarke County | Theodore Roosevelt+903 | 1,79964.6% | 89632.2% | 913.3% | 2,786 |
| Clay County | Theodore Roosevelt+1,667 | 2,15478.7% | 48717.8% | 963.5% | 2,737 |
| Clayton County | Theodore Roosevelt+711 | 3,33954.6% | 2,62843.0% | 1502.5% | 6,117 |
| Clinton County | Theodore Roosevelt+1,191 | 5,26553.2% | 4,07441.2% | 5525.6% | 9,891 |
| Crawford County | Theodore Roosevelt+526 | 2,53054.1% | 2,00442.8% | 1443.1% | 4,678 |
| Dallas County | Theodore Roosevelt+2,340 | 3,49970.0% | 1,15923.2% | 3416.8% | 4,999 |
| Davis County | Theodore Roosevelt+189 | 1,72250.9% | 1,53345.3% | 1273.8% | 3,382 |
| Decatur County | Theodore Roosevelt+882 | 2,43058.4% | 1,54837.2% | 1804.3% | 4,158 |
| Delaware County | Theodore Roosevelt+1,490 | 2,72667.0% | 1,23630.4% | 1042.6% | 4,066 |
| Des Moines County | Theodore Roosevelt+1,453 | 4,49654.2% | 3,04336.7% | 7609.2% | 8,299 |
| Dickinson County | Theodore Roosevelt+1,008 | 1,32078.0% | 31218.4% | 603.5% | 1,692 |
| Dubuque County | Theodore Roosevelt+572 | 5,48548.3% | 4,91343.3% | 9558.4% | 11,353 |
| Emmet County | Theodore Roosevelt+1,374 | 1,73280.1% | 35816.6% | 713.3% | 2,161 |
| Fayette County | Theodore Roosevelt+1,908 | 3,97862.4% | 2,07032.5% | 3285.1% | 6,376 |
| Floyd County | Theodore Roosevelt+2,059 | 2,82076.3% | 76120.6% | 1163.1% | 3,697 |
| Franklin County | Theodore Roosevelt+1,815 | 2,34679.6% | 53118.0% | 692.3% | 2,946 |
| Fremont County | Theodore Roosevelt+716 | 2,22756.9% | 1,51138.6% | 1734.4% | 3,911 |
| Greene County | Theodore Roosevelt+1,675 | 2,58370.3% | 90824.7% | 1855.0% | 3,676 |
| Grundy County | Theodore Roosevelt+1,083 | 2,02166.5% | 93830.9% | 782.6% | 3,037 |
| Guthrie County | Theodore Roosevelt+1,825 | 2,85770.5% | 1,03225.5% | 1614.0% | 4,050 |
| Hamilton County | Theodore Roosevelt+2,372 | 3,11877.1% | 74618.4% | 1814.5% | 4,045 |
| Hancock County | Theodore Roosevelt+1,595 | 2,11278.4% | 51719.2% | 652.4% | 2,694 |
| Hardin County | Theodore Roosevelt+2,894 | 3,64378.9% | 74916.2% | 2234.8% | 4,615 |
| Harrison County | Theodore Roosevelt+1,668 | 3,36462.1% | 1,69631.3% | 3616.7% | 5,421 |
| Henry County | Theodore Roosevelt+1,388 | 2,64764.5% | 1,25930.7% | 2004.9% | 4,106 |
| Howard County | Theodore Roosevelt+727 | 1,82359.9% | 1,09636.0% | 1234.0% | 3,042 |
| Humboldt County | Theodore Roosevelt+1,581 | 1,95081.8% | 36915.5% | 662.8% | 2,385 |
| Ida County | Theodore Roosevelt+625 | 1,56560.7% | 94036.4% | 752.9% | 2,580 |
| Iowa County | Theodore Roosevelt+412 | 2,30352.8% | 1,89143.4% | 1673.8% | 4,361 |
| Jackson County | Theodore Roosevelt+416 | 2,89952.3% | 2,48344.8% | 1582.9% | 5,540 |
| Jasper County | Theodore Roosevelt+2,020 | 3,96262.4% | 1,94230.6% | 4467.0% | 6,350 |
| Jefferson County | Theodore Roosevelt+1,158 | 2,33062.2% | 1,17231.3% | 2426.5% | 3,744 |
| Johnson County | Alton B. Parker+122 | 2,96348.3% | 3,08550.3% | 911.5% | 6,139 |
| Jones County | Theodore Roosevelt+999 | 2,83359.2% | 1,83438.3% | 1212.5% | 4,788 |
| Keokuk County | Theodore Roosevelt+907 | 3,07955.8% | 2,17239.4% | 2654.8% | 5,516 |
| Kossuth County | Theodore Roosevelt+1,649 | 3,00168.0% | 1,35230.6% | 591.3% | 4,412 |
| Lee County | Theodore Roosevelt+764 | 4,61252.7% | 3,84844.0% | 2893.3% | 8,749 |
| Linn County | Theodore Roosevelt+4,531 | 8,13165.4% | 3,60028.9% | 7095.7% | 12,440 |
| Louisa County | Theodore Roosevelt+1,484 | 2,14772.6% | 66322.4% | 1475.0% | 2,957 |
| Lucas County | Theodore Roosevelt+1,381 | 2,25965.7% | 87825.5% | 3008.7% | 3,437 |
| Lyon County | Theodore Roosevelt+961 | 1,80265.1% | 84130.4% | 1274.6% | 2,770 |
| Madison County | Theodore Roosevelt+1,412 | 2,60263.2% | 1,19028.9% | 3257.9% | 4,117 |
| Mahaska County | Theodore Roosevelt+1,804 | 4,09159.6% | 2,28733.3% | 4897.1% | 6,867 |
| Marion County | Theodore Roosevelt+786 | 2,98853.1% | 2,20239.1% | 4427.8% | 5,632 |
| Marshall County | Theodore Roosevelt+3,026 | 4,22966.7% | 1,20319.0% | 90514.3% | 6,337 |
| Mills County | Theodore Roosevelt+978 | 2,25261.1% | 1,27434.5% | 1624.4% | 3,688 |
| Mitchell County | Theodore Roosevelt+1,524 | 2,15874.9% | 63422.0% | 883.1% | 2,880 |
| Monona County | Theodore Roosevelt+1,258 | 2,27464.8% | 1,01629.0% | 2196.2% | 3,509 |
| Monroe County | Theodore Roosevelt+2,067 | 3,24962.2% | 1,18222.6% | 79515.2% | 5,226 |
| Montgomery County | Theodore Roosevelt+2,234 | 2,95675.3% | 72218.4% | 2506.4% | 3,928 |
| Muscatine County | Theodore Roosevelt+1,481 | 4,03657.0% | 2,55536.1% | 4856.9% | 7,076 |
| O'Brien County | Theodore Roosevelt+1,394 | 2,27968.9% | 88526.8% | 1424.3% | 3,306 |
| Osceola County | Theodore Roosevelt+625 | 1,17967.4% | 55431.7% | 171.0% | 1,750 |
| Page County | Theodore Roosevelt+2,519 | 3,46371.2% | 94419.4% | 4569.4% | 4,863 |
| Palo Alto County | Theodore Roosevelt+918 | 1,99963.3% | 1,08134.2% | 772.4% | 3,157 |
| Plymouth County | Theodore Roosevelt+1,242 | 2,90561.5% | 1,66335.2% | 1583.3% | 4,726 |
| Pocahontas County | Theodore Roosevelt+1,199 | 2,17566.1% | 97629.7% | 1404.3% | 3,291 |
| Polk County | Theodore Roosevelt+11,027 | 14,11372.5% | 3,08615.9% | 2,25911.6% | 19,458 |
| Pottawattamie County | Theodore Roosevelt+3,137 | 6,86861.1% | 3,73133.2% | 6345.6% | 11,233 |
| Poweshiek County | Theodore Roosevelt+1,925 | 3,13767.5% | 1,21226.1% | 3006.5% | 4,649 |
| Ringgold County | Theodore Roosevelt+1,365 | 2,20069.4% | 83526.3% | 1364.3% | 3,171 |
| Sac County | Theodore Roosevelt+1,774 | 2,60972.4% | 83523.2% | 1584.4% | 3,602 |
| Scott County | Theodore Roosevelt+1,858 | 6,78952.0% | 4,93137.7% | 1,34610.3% | 13,066 |
| Shelby County | Theodore Roosevelt+726 | 2,31057.7% | 1,58439.6% | 1102.7% | 4,004 |
| Sioux County | Theodore Roosevelt+1,841 | 2,99270.8% | 1,15127.2% | 811.9% | 4,224 |
| Story County | Theodore Roosevelt+3,167 | 3,91978.7% | 75215.1% | 3066.1% | 4,977 |
| Tama County | Theodore Roosevelt+767 | 3,12755.1% | 2,36041.6% | 1863.3% | 5,673 |
| Taylor County | Theodore Roosevelt+1,590 | 2,65065.9% | 1,06026.4% | 3117.7% | 4,021 |
| Union County | Theodore Roosevelt+1,352 | 2,67462.2% | 1,32230.7% | 3067.1% | 4,302 |
| Van Buren County | Theodore Roosevelt+1,053 | 2,46961.5% | 1,41635.3% | 1293.2% | 4,014 |
| Wapello County | Theodore Roosevelt+2,439 | 4,91260.6% | 2,47330.5% | 7208.9% | 8,105 |
| Warren County | Theodore Roosevelt+1,747 | 2,93866.2% | 1,19126.8% | 3097.0% | 4,438 |
| Washington County | Theodore Roosevelt+1,103 | 2,87559.2% | 1,77236.5% | 2064.2% | 4,853 |
| Wayne County | Theodore Roosevelt+838 | 2,29056.1% | 1,45235.6% | 3398.3% | 4,081 |
| Webster County | Theodore Roosevelt+2,644 | 4,35866.9% | 1,71426.3% | 4456.8% | 6,517 |
| Winnebago County | Theodore Roosevelt+1,828 | 2,00289.5% | 1747.8% | 622.8% | 2,238 |
| Winneshiek County | Theodore Roosevelt+1,916 | 3,38369.0% | 1,46729.9% | 561.1% | 4,906 |
| Woodbury County | Theodore Roosevelt+4,788 | 7,59766.9% | 2,80924.7% | 9588.4% | 11,364 |
| Worth County | Theodore Roosevelt+1,352 | 1,65982.0% | 30715.2% | 582.9% | 2,024 |
| Wright County | Theodore Roosevelt+2,100 | 2,79577.4% | 69519.2% | 1223.4% | 3,612 |
Nominees: Alton B. Parker (D) · Theodore Roosevelt (R)
Iowa's presidential margins
1892–2024, the 1904 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 — 1904 presidential returns · official county-level results. Real returns — nothing estimated.