Elections / 1900 · President · IA
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 |
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% |
County-by-county results — 99 counties
| County | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| Adair County | R | 1,618 | 2,327 | 4,022 | |
| Adams County | R | 1,428 | 1,873 | 3,392 | |
| Allamakee County | R | 1,850 | 2,659 | 4,550 | |
| Appanoose County | R | 2,690 | 3,538 | 6,373 | |
| Audubon County | R | 1,301 | 1,821 | 3,147 | |
| Benton County | R | 2,575 | 3,609 | 6,344 | |
| Black Hawk County | R | 2,512 | 5,010 | 7,781 | |
| Boone County | R | 2,264 | 4,151 | 6,741 | |
| Bremer County | R | 1,929 | 2,178 | 4,152 | |
| Buchanan County | R | 2,053 | 2,958 | 5,194 | |
| Buena Vista County | R | 936 | 2,632 | 3,694 | |
| Butler County | R | 1,167 | 2,902 | 4,145 | |
| Calhoun County | R | 1,224 | 2,973 | 4,271 | |
| Carroll County | D | 2,434 | 2,224 | 4,698 | |
| Cass County | R | 2,010 | 3,128 | 5,203 | |
| Cedar County | R | 2,131 | 2,740 | 4,965 | |
| Cerro Gordo County | R | 1,320 | 3,345 | 4,811 | |
| Cherokee County | R | 1,253 | 2,432 | 3,854 | |
| Chickasaw County | R | 2,063 | 2,085 | 4,194 | |
| Clarke County | R | 1,322 | 1,800 | 3,175 | |
| Clay County | R | 781 | 2,292 | 3,150 | |
| Clayton County | R | 2,884 | 3,366 | 6,342 | |
| Clinton County | R | 4,758 | 5,344 | 10,439 | |
| Crawford County | D | 2,578 | 2,268 | 4,961 | |
| Dallas County | R | 1,940 | 3,601 | 5,775 | |
| Davis County | D | 2,155 | 1,656 | 3,873 | |
| Decatur County | R | 2,058 | 2,415 | 4,539 | |
| Delaware County | R | 1,570 | 2,805 | 4,451 | |
| Des Moines County | R | 3,909 | 4,315 | 8,508 | |
| Dickinson County | R | 445 | 1,352 | 1,848 | |
| Dubuque County | D | 6,655 | 4,752 | 11,564 | |
| Emmet County | R | 595 | 1,618 | 2,292 | |
| Fayette County | R | 2,708 | 3,984 | 6,823 | |
| Floyd County | R | 1,295 | 2,843 | 4,208 | |
| Franklin County | R | 748 | 2,537 | 3,322 | |
| Fremont County | D | 2,399 | 2,170 | 4,658 | |
| Greene County | R | 1,360 | 2,777 | 4,215 | |
| Grundy County | R | 1,203 | 2,025 | 3,277 | |
| Guthrie County | R | 1,824 | 2,806 | 4,714 | |
| Hamilton County | R | 1,134 | 3,259 | 4,455 | |
| Hancock County | R | 827 | 2,186 | 3,065 | |
| Hardin County | R | 1,268 | 3,741 | 5,151 | |
| Harrison County | R | 2,837 | 3,303 | 6,291 | |
| Henry County | R | 1,907 | 2,794 | 4,847 | |
| Howard County | R | 1,420 | 1,944 | 3,453 | |
| Humboldt County | R | 595 | 2,214 | 2,843 | |
| Ida County | R | 1,304 | 1,599 | 2,949 | |
| Iowa County | R | 1,983 | 2,336 | 4,433 | |
| Jackson County | R | 2,854 | 2,964 | 5,851 | |
| Jasper County | R | 3,163 | 3,894 | 7,193 | |
| Jefferson County | R | 1,612 | 2,482 | 4,226 | |
| Johnson County | D | 3,182 | 3,010 | 6,258 | |
| Jones County | R | 2,052 | 3,021 | 5,145 | |
| Keokuk County | R | 2,669 | 3,339 | 6,147 | |
| Kossuth County | R | 1,777 | 3,122 | 4,951 | |
| Lee County | D | 5,182 | 4,486 | 9,778 | |
| Linn County | R | 5,019 | 7,745 | 13,106 | |
| Louisa County | R | 1,172 | 2,185 | 3,452 | |
| Lucas County | R | 1,488 | 2,225 | 3,864 | |
| Lyon County | R | 1,289 | 1,666 | 3,029 | |
| Madison County | R | 1,907 | 2,590 | 4,652 | |
| Mahaska County | R | 3,596 | 4,480 | 8,312 | |
| Marion County | O | 2,950 | 2,950 | 6,079 | |
| Marshall County | R | 2,329 | 4,878 | 7,496 | |
| Mills County | R | 1,733 | 2,212 | 4,022 | |
| Mitchell County | R | 981 | 2,450 | 3,480 | |
| Monona County | R | 1,934 | 2,161 | 4,194 | |
| Monroe County | R | 1,705 | 2,233 | 4,326 | |
| Montgomery County | R | 1,467 | 2,927 | 4,486 | |
| Muscatine County | R | 3,021 | 3,905 | 7,110 | |
| O'Brien County | R | 1,461 | 2,386 | 3,901 | |
| Osceola County | R | 799 | 1,106 | 1,944 | |
| Page County | R | 1,889 | 3,424 | 5,643 | |
| Palo Alto County | R | 1,477 | 1,908 | 3,440 | |
| Plymouth County | R | 2,307 | 2,712 | 5,114 | |
| Pocahontas County | R | 1,287 | 2,176 | 3,519 | |
| Polk County | R | 6,180 | 12,628 | 19,511 | |
| Pottawattamie County | R | 5,373 | 6,525 | 12,052 | |
| Poweshiek County | R | 1,765 | 3,199 | 5,074 | |
| Ringgold County | R | 1,311 | 2,319 | 3,729 | |
| Sac County | R | 1,214 | 2,786 | 4,135 | |
| Scott County | R | 5,157 | 6,327 | 12,155 | |
| Shelby County | R | 2,010 | 2,182 | 4,239 | |
| Sioux County | R | 1,809 | 3,025 | 4,903 | |
| Story County | R | 1,343 | 4,032 | 5,607 | |
| Tama County | R | 2,736 | 3,290 | 6,155 | |
| Taylor County | R | 1,984 | 2,792 | 4,877 | |
| Union County | R | 2,218 | 2,462 | 4,841 | |
| Van Buren County | R | 1,893 | 2,547 | 4,516 | |
| Wapello County | R | 3,902 | 4,742 | 8,912 | |
| Warren County | R | 1,876 | 2,966 | 5,014 | |
| Washington County | R | 2,234 | 2,844 | 5,241 | |
| Wayne County | R | 2,001 | 2,294 | 4,430 | |
| Webster County | R | 2,266 | 4,221 | 6,667 | |
| Winnebago County | R | 474 | 2,052 | 2,577 | |
| Winneshiek County | R | 1,835 | 3,486 | 5,386 | |
| Woodbury County | R | 4,796 | 7,045 | 12,243 | |
| Worth County | R | 475 | 1,730 | 2,238 | |
| Wright County | R | 891 | 2,990 | 3,983 |
Source. Compiled historical county records — 1900 presidential returns · official county-level results. Real returns — nothing estimated.