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United States · Election results history · 1900 president · Iowa
Election 1900 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1900 presidential election in Iowa

William McKinley (Republican) beat William Jennings Bryan (Democrat) in Iowa in 1900, 58.0% to 39.5%, a margin of 18.6 points and 98,538 votes.

Iowa voted 12.4 points more Republican than the country as a whole, where the margin was R+6.2.

The Republican hold continued from 1896, when William McKinley also won.

Republicans led in 91 of the 99 counties as they stood then and Democrats in 7. The largest, Polk, cast 19,511 votes and went to the Republican by 33.0 points. The closest was Chickasaw, where 22 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Result

CandidatePartyVotesShare
William McKinley won Republican 307,799 58.0%
William Jennings Bryan Democratic 209,261 39.5%
All other candidates 13,285 2.5%
Total530,345

Every county

CountyDemocratRepublicanOthersTotalMargin
Polk 6,180 31.7% 12,628 64.7% 703 19,511 R+33.0
Linn 5,019 38.3% 7,745 59.1% 342 13,106 R+20.8
Woodbury 4,796 39.2% 7,045 57.5% 402 12,243 R+18.4
Scott 5,157 42.4% 6,327 52.1% 671 12,155 R+9.6
Pottawattamie 5,373 44.6% 6,525 54.1% 154 12,052 R+9.6
Dubuque 6,655 57.5% 4,752 41.1% 157 11,564 D+16.5
Clinton 4,758 45.6% 5,344 51.2% 337 10,439 R+5.6
Lee 5,182 53.0% 4,486 45.9% 110 9,778 D+7.1
Wapello 3,902 43.8% 4,742 53.2% 268 8,912 R+9.4
Des Moines 3,909 45.9% 4,315 50.7% 284 8,508 R+4.8
Mahaska 3,596 43.3% 4,480 53.9% 236 8,312 R+10.6
Black Hawk 2,512 32.3% 5,010 64.4% 259 7,781 R+32.1
Marshall 2,329 31.1% 4,878 65.1% 289 7,496 R+34.0
Jasper 3,163 44.0% 3,894 54.1% 137 7,194 R+10.2
Muscatine 3,021 42.5% 3,905 54.9% 184 7,110 R+12.4
Fayette 2,708 39.7% 3,984 58.4% 131 6,823 R+18.7
Boone 2,264 33.6% 4,151 61.6% 326 6,741 R+28.0
Webster 2,266 34.0% 4,221 63.3% 180 6,667 R+29.3
Appanoose 2,690 42.2% 3,538 55.5% 145 6,373 R+13.3
Benton 2,575 40.6% 3,609 56.9% 160 6,344 R+16.3
Clayton 2,884 45.5% 3,366 53.1% 92 6,342 R+7.6
Harrison 2,837 45.1% 3,303 52.5% 151 6,291 R+7.4
Johnson 3,182 50.8% 3,010 48.1% 66 6,258 D+2.7
Tama 2,736 44.5% 3,290 53.5% 129 6,155 R+9.0
Keokuk 2,669 43.4% 3,339 54.3% 139 6,147 R+10.9
Marion 2,950 48.5% 2,950 48.5% 179 6,079 level
Jackson 2,854 48.8% 2,964 50.7% 33 5,851 R+1.9
Dallas 1,940 33.6% 3,601 62.4% 234 5,775 R+28.8
Page 1,889 33.5% 3,424 60.7% 330 5,643 R+27.2
Story 1,343 24.0% 4,032 71.9% 232 5,607 R+48.0
Winneshiek 1,835 34.1% 3,486 64.7% 65 5,386 R+30.7
Washington 2,234 42.6% 2,844 54.3% 163 5,241 R+11.6
Cass 2,010 38.6% 3,128 60.1% 65 5,203 R+21.5
Buchanan 2,053 39.5% 2,958 57.0% 183 5,194 R+17.4
Hardin 1,268 24.6% 3,741 72.6% 142 5,151 R+48.0
Jones 2,052 39.9% 3,021 58.7% 72 5,145 R+18.8
Plymouth 2,307 45.1% 2,712 53.0% 95 5,114 R+7.9
Poweshiek 1,765 34.8% 3,199 63.0% 110 5,074 R+28.3
Warren 1,876 37.4% 2,966 59.2% 172 5,014 R+21.7
Cedar 2,131 42.9% 2,740 55.2% 94 4,965 R+12.3
Crawford 2,578 52.0% 2,268 45.7% 115 4,961 D+6.2
Kossuth 1,777 35.9% 3,122 63.1% 52 4,951 R+27.2
Sioux 1,809 36.9% 3,025 61.7% 69 4,903 R+24.8
Taylor 1,984 40.7% 2,792 57.2% 101 4,877 R+16.6
Henry 1,907 39.3% 2,794 57.6% 146 4,847 R+18.3
Union 2,218 45.8% 2,462 50.9% 161 4,841 R+5.0
Cerro Gordo 1,320 27.4% 3,345 69.5% 146 4,811 R+42.1
Guthrie 1,824 38.7% 2,806 59.5% 84 4,714 R+20.8
Carroll 2,434 51.8% 2,224 47.3% 40 4,698 D+4.5
Fremont 2,399 51.5% 2,170 46.6% 89 4,658 D+4.9
Madison 1,907 41.0% 2,590 55.7% 155 4,652 R+14.7
Allamakee 1,850 40.7% 2,659 58.4% 41 4,550 R+17.8
Decatur 2,058 45.3% 2,415 53.2% 66 4,539 R+7.9
Van Buren 1,893 41.9% 2,547 56.4% 76 4,516 R+14.5
Montgomery 1,467 32.7% 2,927 65.2% 92 4,486 R+32.5
Hamilton 1,134 25.5% 3,259 73.2% 62 4,455 R+47.7
Delaware 1,570 35.3% 2,805 63.0% 76 4,451 R+27.7
Iowa 1,983 44.7% 2,336 52.7% 114 4,433 R+8.0
Wayne 2,001 45.2% 2,294 51.8% 135 4,430 R+6.6
Monroe 1,705 39.4% 2,233 51.6% 388 4,326 R+12.2
Calhoun 1,224 28.7% 2,973 69.6% 74 4,271 R+41.0
Shelby 2,010 47.4% 2,182 51.5% 47 4,239 R+4.1
Jefferson 1,612 38.1% 2,482 58.7% 132 4,226 R+20.6
Greene 1,360 32.3% 2,777 65.9% 78 4,215 R+33.6
Floyd 1,295 30.8% 2,843 67.6% 70 4,208 R+36.8
Chickasaw 2,063 49.2% 2,085 49.7% 46 4,194 R+0.5
Monona 1,934 46.1% 2,161 51.5% 99 4,194 R+5.4
Bremer 1,929 46.5% 2,178 52.5% 45 4,152 R+6.0
Butler 1,167 28.2% 2,902 70.0% 76 4,145 R+41.9
Sac 1,214 29.4% 2,786 67.4% 135 4,135 R+38.0
Adair 1,618 40.2% 2,327 57.9% 77 4,022 R+17.6
Mills 1,733 43.1% 2,212 55.0% 77 4,022 R+11.9
Wright 887 22.3% 2,984 75.1% 104 3,975 R+52.8
O'Brien 1,461 37.5% 2,386 61.2% 54 3,901 R+23.7
Davis 2,155 55.6% 1,656 42.8% 62 3,873 D+12.9
Lucas 1,488 38.5% 2,225 57.6% 151 3,864 R+19.1
Cherokee 1,253 32.5% 2,432 63.1% 169 3,854 R+30.6
Ringgold 1,311 35.2% 2,319 62.2% 99 3,729 R+27.0
Buena Vista 936 25.3% 2,632 71.3% 126 3,694 R+45.9
Pocahontas 1,287 36.6% 2,176 61.8% 56 3,519 R+25.3
Mitchell 981 28.2% 2,450 70.4% 49 3,480 R+42.2
Howard 1,420 41.1% 1,944 56.3% 89 3,453 R+15.2
Louisa 1,172 34.0% 2,185 63.3% 95 3,452 R+29.3
Palo Alto 1,477 42.9% 1,908 55.5% 55 3,440 R+12.5
Adams 1,428 42.1% 1,873 55.2% 91 3,392 R+13.1
Franklin 748 22.5% 2,537 76.4% 37 3,322 R+53.9
Grundy 1,203 36.7% 2,025 61.8% 49 3,277 R+25.1
Clarke 1,322 41.6% 1,800 56.7% 53 3,175 R+15.1
Clay 781 24.8% 2,292 72.8% 77 3,150 R+48.0
Audubon 1,301 41.3% 1,821 57.9% 25 3,147 R+16.5
Hancock 827 27.0% 2,186 71.3% 52 3,065 R+44.3
Lyon 1,289 42.6% 1,666 55.0% 74 3,029 R+12.4
Ida 1,304 44.2% 1,599 54.2% 46 2,949 R+10.0
Humboldt 595 20.9% 2,214 77.9% 34 2,843 R+56.9
Winnebago 474 18.4% 2,052 79.6% 51 2,577 R+61.2
Emmet 595 26.0% 1,618 70.6% 79 2,292 R+44.6
Worth 475 21.3% 1,727 77.3% 33 2,235 R+56.0
Osceola 799 41.1% 1,106 56.9% 39 1,944 R+15.8
Dickinson 445 24.1% 1,352 73.2% 51 1,848 R+49.1

Counties as they stood in 1900; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Iowa in every presidential election we hold

YearWinnerMargin
2024 Donald Trump (R) R+13.2
2020 Donald Trump (R) R+8.2
2016 Donald Trump (R) R+9.4
2012 Barack Obama (D) D+5.8
2008 Barack Obama (D) D+9.5
2004 George W. Bush (R) R+0.7
2000 Al Gore (D) D+0.3
1996 Bill Clinton (D) D+10.3
1992 Bill Clinton (D) D+6.0
1988 Michael Dukakis (D) D+10.2
1984 Ronald Reagan (R) R+7.4
1980 Ronald Reagan (R) R+12.7
1976 Gerald Ford (R) R+1.0
1972 Richard Nixon (R) R+17.1
1968 Richard Nixon (R) R+12.2
1964 Lyndon B. Johnson (D) D+24.0
1960 Richard Nixon (R) R+13.5
1956 Dwight D. Eisenhower (R) R+18.4
1952 Dwight D. Eisenhower (R) R+28.2
1948 Harry S. Truman (D) D+2.7
1944 Thomas E. Dewey (R) R+4.5
1940 Wendell Willkie (R) R+4.4
1936 Franklin D. Roosevelt (D) D+11.7
1932 Franklin D. Roosevelt (D) D+17.7
1928 Herbert Hoover (R) R+24.2
1924 Calvin Coolidge (R) R+38.4
1920 Warren G. Harding (R) R+45.4
1916 Charles Evans Hughes (R) R+12.0
1912 Woodrow Wilson (D) D+13.3
1908 William Howard Taft (R) R+15.0
1904 Theodore Roosevelt (R) R+32.7
1900 William McKinley (R) R+18.6
1896 William McKinley (R) R+12.6
1892 Benjamin Harrison (R) R+5.3
1888 Benjamin Harrison (R) R+7.8
1884 James G. Blaine (R) R+5.2
1880 James A. Garfield (R) R+24.1
1876 Rutherford B. Hayes (R) R+20.2
1872 Ulysses S. Grant (R) R+23.1
1868 Ulysses S. Grant (R) R+23.8