Iowa — 1900 presidential election
Recent presidential results
state1900 presidential electionIowa · PresidentMcKinleyR+18.6
How it voted
Share of the 1900 vote
| William McKinley ✓Republican | 58.0% | 307,808 |
|---|---|---|
| William J. BryanDemocratic | 39.5% | 209,265 |
| OtherAll other candidates | 2.5% | 13,282 |
1900presidential margin
D+60R+60
99 counties, each filled by 1900 D-vs-R margin. Hover any county for its result.
Gold marks a county an independent or third-party candidate carried.
Iowa cast 13 electoral votes this cycle.
County-level results (99 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adair County, IA | Republican | R+17.6 |
| Adams County, IA | Republican | R+13.1 |
| Allamakee County, IA | Republican | R+17.8 |
| Appanoose County, IA | Republican | R+13.3 |
| Audubon County, IA | Republican | R+16.5 |
| Benton County, IA | Republican | R+16.3 |
| Black Hawk County, IA | Republican | R+32.1 |
| Boone County, IA | Republican | R+28.0 |
| Bremer County, IA | Republican | R+6.0 |
| Buchanan County, IA | Republican | R+17.4 |
| Buena Vista County, IA | Republican | R+45.9 |
| Butler County, IA | Republican | R+41.9 |
| Calhoun County, IA | Republican | R+41.0 |
| Carroll County, IA | Democratic | D+4.5 |
| Cass County, IA | Republican | R+21.5 |
| Cedar County, IA | Republican | R+12.3 |
| Cerro Gordo County, IA | Republican | R+42.1 |
| Cherokee County, IA | Republican | R+30.6 |
| Chickasaw County, IA | Republican | R+0.5 |
| Clarke County, IA | Republican | R+15.1 |
| Clay County, IA | Republican | R+48.0 |
| Clayton County, IA | Republican | R+7.6 |
| Clinton County, IA | Republican | R+5.6 |
| Crawford County, IA | Democratic | D+6.2 |
| Dallas County, IA | Republican | R+28.8 |
| Davis County, IA | Democratic | D+12.9 |
| Decatur County, IA | Republican | R+7.9 |
| Delaware County, IA | Republican | R+27.7 |
| Des Moines County, IA | Republican | R+4.8 |
| Dickinson County, IA | Republican | R+49.1 |
| Dubuque County, IA | Democratic | D+16.5 |
| Emmet County, IA | Republican | R+44.6 |
| Fayette County, IA | Republican | R+18.7 |
| Floyd County, IA | Republican | R+36.8 |
| Franklin County, IA | Republican | R+53.9 |
| Fremont County, IA | Democratic | D+4.9 |
| Greene County, IA | Republican | R+33.6 |
| Grundy County, IA | Republican | R+25.1 |
| Guthrie County, IA | Republican | R+20.8 |
| Hamilton County, IA | Republican | R+47.7 |
| Hancock County, IA | Republican | R+44.3 |
| Hardin County, IA | Republican | R+48.0 |
| Harrison County, IA | Republican | R+7.4 |
| Henry County, IA | Republican | R+18.3 |
| Howard County, IA | Republican | R+15.2 |
| Humboldt County, IA | Republican | R+56.9 |
| Ida County, IA | Republican | R+10.0 |
| Iowa County, IA | Republican | R+8.0 |
| Jackson County, IA | Republican | R+1.9 |
| Jasper County, IA | Republican | R+10.2 |
| Jefferson County, IA | Republican | R+20.6 |
| Johnson County, IA | Democratic | D+2.7 |
| Jones County, IA | Republican | R+18.8 |
| Keokuk County, IA | Republican | R+10.9 |
| Kossuth County, IA | Republican | R+27.2 |
| Lee County, IA | Democratic | D+7.1 |
| Linn County, IA | Republican | R+20.8 |
| Louisa County, IA | Republican | R+29.3 |
| Lucas County, IA | Republican | R+19.1 |
| Lyon County, IA | Republican | R+12.4 |
| Madison County, IA | Republican | R+14.7 |
| Mahaska County, IA | Republican | R+10.6 |
| Marion County, IA | Other / independent | Tied |
| Marshall County, IA | Republican | R+34.0 |
| Mills County, IA | Republican | R+11.9 |
| Mitchell County, IA | Republican | R+42.2 |
| Monona County, IA | Republican | R+5.4 |
| Monroe County, IA | Republican | R+12.2 |
| Montgomery County, IA | Republican | R+32.5 |
| Muscatine County, IA | Republican | R+12.4 |
| O'Brien County, IA | Republican | R+23.7 |
| Osceola County, IA | Republican | R+15.8 |
| Page County, IA | Republican | R+27.2 |
| Palo Alto County, IA | Republican | R+12.5 |
| Plymouth County, IA | Republican | R+7.9 |
| Pocahontas County, IA | Republican | R+25.3 |
| Polk County, IA | Republican | R+33.0 |
| Pottawattamie County, IA | Republican | R+9.6 |
| Poweshiek County, IA | Republican | R+28.3 |
| Ringgold County, IA | Republican | R+27.0 |
| Sac County, IA | Republican | R+38.0 |
| Scott County, IA | Republican | R+9.6 |
| Shelby County, IA | Republican | R+4.1 |
| Sioux County, IA | Republican | R+24.8 |
| Story County, IA | Republican | R+48.0 |
| Tama County, IA | Republican | R+9.0 |
| Taylor County, IA | Republican | R+16.6 |
| Union County, IA | Republican | R+5.0 |
| Van Buren County, IA | Republican | R+14.5 |
| Wapello County, IA | Republican | R+9.4 |
| Warren County, IA | Republican | R+21.7 |
| Washington County, IA | Republican | R+11.6 |
| Wayne County, IA | Republican | R+6.6 |
| Webster County, IA | Republican | R+29.3 |
| Winnebago County, IA | Republican | R+61.2 |
| Winneshiek County, IA | Republican | R+30.7 |
| Woodbury County, IA | Republican | R+18.4 |
| Worth County, IA | Republican | R+56.1 |
| Wright County, IA | Republican | R+52.7 |
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 | William McKinley+709 | 2,32757.9% | 1,61840.2% | 771.9% | 4,022 |
| Adams County | William McKinley+445 | 1,87355.2% | 1,42842.1% | 912.7% | 3,392 |
| Allamakee County | William McKinley+809 | 2,65958.4% | 1,85040.7% | 410.9% | 4,550 |
| Appanoose County | William McKinley+848 | 3,53855.5% | 2,69042.2% | 1452.3% | 6,373 |
| Audubon County | William McKinley+520 | 1,82157.9% | 1,30141.3% | 250.8% | 3,147 |
| Benton County | William McKinley+1,034 | 3,60956.9% | 2,57540.6% | 1602.5% | 6,344 |
| Black Hawk County | William McKinley+2,498 | 5,01064.4% | 2,51232.3% | 2593.3% | 7,781 |
| Boone County | William McKinley+1,887 | 4,15161.6% | 2,26433.6% | 3264.8% | 6,741 |
| Bremer County | William McKinley+249 | 2,17852.5% | 1,92946.5% | 451.1% | 4,152 |
| Buchanan County | William McKinley+905 | 2,95857.0% | 2,05339.5% | 1833.5% | 5,194 |
| Buena Vista County | William McKinley+1,696 | 2,63271.3% | 93625.3% | 1263.4% | 3,694 |
| Butler County | William McKinley+1,735 | 2,90270.0% | 1,16728.2% | 761.8% | 4,145 |
| Calhoun County | William McKinley+1,749 | 2,97369.6% | 1,22428.7% | 741.7% | 4,271 |
| Carroll County | William J. Bryan+210 | 2,22447.3% | 2,43451.8% | 400.9% | 4,698 |
| Cass County | William McKinley+1,118 | 3,12860.1% | 2,01038.6% | 651.2% | 5,203 |
| Cedar County | William McKinley+609 | 2,74055.2% | 2,13142.9% | 941.9% | 4,965 |
| Cerro Gordo County | William McKinley+2,025 | 3,34569.5% | 1,32027.4% | 1463.0% | 4,811 |
| Cherokee County | William McKinley+1,179 | 2,43263.1% | 1,25332.5% | 1694.4% | 3,854 |
| Chickasaw County | William McKinley+22 | 2,08549.7% | 2,06349.2% | 461.1% | 4,194 |
| Clarke County | William McKinley+478 | 1,80056.7% | 1,32241.6% | 531.7% | 3,175 |
| Clay County | William McKinley+1,511 | 2,29272.8% | 78124.8% | 772.4% | 3,150 |
| Clayton County | William McKinley+482 | 3,36653.1% | 2,88445.5% | 921.5% | 6,342 |
| Clinton County | William McKinley+586 | 5,34451.2% | 4,75845.6% | 3373.2% | 10,439 |
| Crawford County | William J. Bryan+310 | 2,26845.7% | 2,57852.0% | 1152.3% | 4,961 |
| Dallas County | William McKinley+1,661 | 3,60162.4% | 1,94033.6% | 2344.1% | 5,775 |
| Davis County | William J. Bryan+499 | 1,65642.8% | 2,15555.6% | 621.6% | 3,873 |
| Decatur County | William McKinley+357 | 2,41553.2% | 2,05845.3% | 661.5% | 4,539 |
| Delaware County | William McKinley+1,235 | 2,80563.0% | 1,57035.3% | 761.7% | 4,451 |
| Des Moines County | William McKinley+406 | 4,31550.7% | 3,90945.9% | 2843.3% | 8,508 |
| Dickinson County | William McKinley+907 | 1,35273.2% | 44524.1% | 512.8% | 1,848 |
| Dubuque County | William J. Bryan+1,903 | 4,75241.1% | 6,65557.5% | 1571.4% | 11,564 |
| Emmet County | William McKinley+1,023 | 1,61870.6% | 59526.0% | 793.4% | 2,292 |
| Fayette County | William McKinley+1,276 | 3,98458.4% | 2,70839.7% | 1311.9% | 6,823 |
| Floyd County | William McKinley+1,548 | 2,84367.6% | 1,29530.8% | 701.7% | 4,208 |
| Franklin County | William McKinley+1,789 | 2,53776.4% | 74822.5% | 371.1% | 3,322 |
| Fremont County | William J. Bryan+229 | 2,17046.6% | 2,39951.5% | 891.9% | 4,658 |
| Greene County | William McKinley+1,417 | 2,77765.9% | 1,36032.3% | 781.9% | 4,215 |
| Grundy County | William McKinley+822 | 2,02561.8% | 1,20336.7% | 491.5% | 3,277 |
| Guthrie County | William McKinley+982 | 2,80659.5% | 1,82438.7% | 841.8% | 4,714 |
| Hamilton County | William McKinley+2,125 | 3,25973.2% | 1,13425.5% | 621.4% | 4,455 |
| Hancock County | William McKinley+1,359 | 2,18671.3% | 82727.0% | 521.7% | 3,065 |
| Hardin County | William McKinley+2,473 | 3,74172.6% | 1,26824.6% | 1422.8% | 5,151 |
| Harrison County | William McKinley+466 | 3,30352.5% | 2,83745.1% | 1512.4% | 6,291 |
| Henry County | William McKinley+887 | 2,79457.6% | 1,90739.3% | 1463.0% | 4,847 |
| Howard County | William McKinley+524 | 1,94456.3% | 1,42041.1% | 892.6% | 3,453 |
| Humboldt County | William McKinley+1,619 | 2,21477.9% | 59520.9% | 341.2% | 2,843 |
| Ida County | William McKinley+295 | 1,59954.2% | 1,30444.2% | 461.6% | 2,949 |
| Iowa County | William McKinley+353 | 2,33652.7% | 1,98344.7% | 1142.6% | 4,433 |
| Jackson County | William McKinley+110 | 2,96450.7% | 2,85448.8% | 330.6% | 5,851 |
| Jasper County | William McKinley+731 | 3,89454.1% | 3,16344.0% | 1361.9% | 7,193 |
| Jefferson County | William McKinley+870 | 2,48258.7% | 1,61238.1% | 1323.1% | 4,226 |
| Johnson County | William J. Bryan+172 | 3,01048.1% | 3,18250.8% | 661.1% | 6,258 |
| Jones County | William McKinley+969 | 3,02158.7% | 2,05239.9% | 721.4% | 5,145 |
| Keokuk County | William McKinley+670 | 3,33954.3% | 2,66943.4% | 1392.3% | 6,147 |
| Kossuth County | William McKinley+1,345 | 3,12263.1% | 1,77735.9% | 521.1% | 4,951 |
| Lee County | William J. Bryan+696 | 4,48645.9% | 5,18253.0% | 1101.1% | 9,778 |
| Linn County | William McKinley+2,726 | 7,74559.1% | 5,01938.3% | 3422.6% | 13,106 |
| Louisa County | William McKinley+1,013 | 2,18563.3% | 1,17234.0% | 952.8% | 3,452 |
| Lucas County | William McKinley+737 | 2,22557.6% | 1,48838.5% | 1513.9% | 3,864 |
| Lyon County | William McKinley+377 | 1,66655.0% | 1,28942.6% | 742.4% | 3,029 |
| Madison County | William McKinley+683 | 2,59055.7% | 1,90741.0% | 1553.3% | 4,652 |
| Mahaska County | William McKinley+884 | 4,48053.9% | 3,59643.3% | 2362.8% | 8,312 |
| Marion County | William J. Bryan+0 | 2,95048.5% | 2,95048.5% | 1792.9% | 6,079 |
| Marshall County | William McKinley+2,549 | 4,87865.1% | 2,32931.1% | 2893.9% | 7,496 |
| Mills County | William McKinley+479 | 2,21255.0% | 1,73343.1% | 771.9% | 4,022 |
| Mitchell County | William McKinley+1,469 | 2,45070.4% | 98128.2% | 491.4% | 3,480 |
| Monona County | William McKinley+227 | 2,16151.5% | 1,93446.1% | 992.4% | 4,194 |
| Monroe County | William McKinley+528 | 2,23351.6% | 1,70539.4% | 3889.0% | 4,326 |
| Montgomery County | William McKinley+1,460 | 2,92765.2% | 1,46732.7% | 922.1% | 4,486 |
| Muscatine County | William McKinley+884 | 3,90554.9% | 3,02142.5% | 1842.6% | 7,110 |
| O'Brien County | William McKinley+925 | 2,38661.2% | 1,46137.5% | 541.4% | 3,901 |
| Osceola County | William McKinley+307 | 1,10656.9% | 79941.1% | 392.0% | 1,944 |
| Page County | William McKinley+1,535 | 3,42460.7% | 1,88933.5% | 3305.8% | 5,643 |
| Palo Alto County | William McKinley+431 | 1,90855.5% | 1,47742.9% | 551.6% | 3,440 |
| Plymouth County | William McKinley+405 | 2,71253.0% | 2,30745.1% | 951.9% | 5,114 |
| Pocahontas County | William McKinley+889 | 2,17661.8% | 1,28736.6% | 561.6% | 3,519 |
| Polk County | William McKinley+6,448 | 12,62864.7% | 6,18031.7% | 7033.6% | 19,511 |
| Pottawattamie County | William McKinley+1,152 | 6,52554.1% | 5,37344.6% | 1541.3% | 12,052 |
| Poweshiek County | William McKinley+1,434 | 3,19963.0% | 1,76534.8% | 1102.2% | 5,074 |
| Ringgold County | William McKinley+1,008 | 2,31962.2% | 1,31135.2% | 992.7% | 3,729 |
| Sac County | William McKinley+1,572 | 2,78667.4% | 1,21429.4% | 1353.3% | 4,135 |
| Scott County | William McKinley+1,170 | 6,32752.1% | 5,15742.4% | 6715.5% | 12,155 |
| Shelby County | William McKinley+172 | 2,18251.5% | 2,01047.4% | 471.1% | 4,239 |
| Sioux County | William McKinley+1,216 | 3,02561.7% | 1,80936.9% | 691.4% | 4,903 |
| Story County | William McKinley+2,689 | 4,03271.9% | 1,34324.0% | 2324.1% | 5,607 |
| Tama County | William McKinley+554 | 3,29053.5% | 2,73644.5% | 1292.1% | 6,155 |
| Taylor County | William McKinley+808 | 2,79257.2% | 1,98440.7% | 1012.1% | 4,877 |
| Union County | William McKinley+244 | 2,46250.9% | 2,21845.8% | 1613.3% | 4,841 |
| Van Buren County | William McKinley+654 | 2,54756.4% | 1,89341.9% | 761.7% | 4,516 |
| Wapello County | William McKinley+840 | 4,74253.2% | 3,90243.8% | 2683.0% | 8,912 |
| Warren County | William McKinley+1,090 | 2,96659.2% | 1,87637.4% | 1723.4% | 5,014 |
| Washington County | William McKinley+610 | 2,84454.3% | 2,23442.6% | 1633.1% | 5,241 |
| Wayne County | William McKinley+293 | 2,29451.8% | 2,00145.2% | 1353.0% | 4,430 |
| Webster County | William McKinley+1,955 | 4,22163.3% | 2,26634.0% | 1802.7% | 6,667 |
| Winnebago County | William McKinley+1,578 | 2,05279.6% | 47418.4% | 512.0% | 2,577 |
| Winneshiek County | William McKinley+1,651 | 3,48664.7% | 1,83534.1% | 651.2% | 5,386 |
| Woodbury County | William McKinley+2,249 | 7,04557.5% | 4,79639.2% | 4023.3% | 12,243 |
| Worth County | William McKinley+1,255 | 1,73077.3% | 47521.2% | 331.5% | 2,238 |
| Wright County | William McKinley+2,099 | 2,99075.1% | 89122.4% | 1022.6% | 3,983 |
Nominees: William Jennings Bryan (D) · William McKinley (R)
Iowa's presidential margins
1892–2024, the 1900 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 — 1900 presidential returns · official county-level results. Real returns — nothing estimated.