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United States · Election results history · 1904 president · Iowa
Election 1904 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.

1904 presidential election in Iowa

Theodore Roosevelt (Republican) beat Alton B. Parker (Democrat) in Iowa in 1904, 63.4% to 30.7%, a margin of 32.7 points and 158,766 votes.

Iowa voted 13.8 points more Republican than the country as a whole, where the margin was R+18.9.

The Republican hold continued from 1900, when William McKinley won.

Republicans led in 98 of the 99 counties as they stood then and Democrats in 1. The largest, Polk, cast 19,458 votes and went to the Republican by 56.7 points. The closest was Johnson, where 122 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
Theodore Roosevelt won Republican 307,907 63.4%
Alton B. Parker Democratic 149,141 30.7%
All other candidates 28,655 5.9%
Total485,703

Every county

CountyDemocratRepublicanOthersTotalMargin
Polk 3,086 15.9% 14,113 72.5% 2,259 19,458 R+56.7
Scott 4,931 37.7% 6,789 52.0% 1,346 13,066 R+14.2
Linn 3,600 28.9% 8,131 65.4% 709 12,440 R+36.4
Woodbury 2,809 24.7% 7,597 66.9% 958 11,364 R+42.1
Dubuque 4,913 43.3% 5,485 48.3% 955 11,353 R+5.0
Pottawattamie 3,731 33.2% 6,868 61.1% 634 11,233 R+27.9
Clinton 4,074 41.2% 5,265 53.2% 552 9,891 R+12.0
Lee 3,848 44.0% 4,612 52.7% 289 8,749 R+8.7
Des Moines 3,043 36.7% 4,496 54.2% 760 8,299 R+17.5
Wapello 2,473 30.5% 4,912 60.6% 720 8,105 R+30.1
Black Hawk 1,861 23.8% 5,236 66.9% 730 7,827 R+43.1
Muscatine 2,555 36.1% 4,036 57.0% 485 7,076 R+20.9
Mahaska 2,287 33.3% 4,091 59.6% 489 6,867 R+26.3
Webster 1,714 26.3% 4,358 66.9% 445 6,517 R+40.6
Fayette 2,070 32.5% 3,978 62.4% 328 6,376 R+29.9
Jasper 1,942 30.6% 3,962 62.4% 446 6,350 R+31.8
Marshall 1,203 19.0% 4,229 66.7% 905 6,337 R+47.8
Johnson 3,085 50.3% 2,963 48.3% 91 6,139 D+2.0
Clayton 2,628 43.0% 3,339 54.6% 150 6,117 R+11.6
Appanoose 1,743 28.9% 3,607 59.9% 676 6,026 R+30.9
Benton 2,057 34.8% 3,609 61.1% 241 5,907 R+26.3
Boone 1,148 19.7% 3,830 65.7% 855 5,833 R+46.0
Tama 2,360 41.6% 3,127 55.1% 186 5,673 R+13.5
Marion 2,202 39.1% 2,988 53.1% 442 5,632 R+14.0
Jackson 2,483 44.8% 2,899 52.3% 158 5,540 R+7.5
Keokuk 2,172 39.4% 3,079 55.8% 265 5,516 R+16.4
Harrison 1,696 31.3% 3,364 62.1% 361 5,421 R+30.8
Monroe 1,182 22.6% 3,249 62.2% 795 5,226 R+39.6
Dallas 1,159 23.2% 3,499 70.0% 341 4,999 R+46.8
Story 752 15.1% 3,919 78.7% 306 4,977 R+63.6
Winneshiek 1,467 29.9% 3,383 69.0% 56 4,906 R+39.1
Page 944 19.4% 3,463 71.2% 456 4,863 R+51.8
Washington 1,772 36.5% 2,875 59.2% 206 4,853 R+22.7
Jones 1,834 38.3% 2,833 59.2% 121 4,788 R+20.9
Cedar 1,926 40.8% 2,691 56.9% 109 4,726 R+16.2
Plymouth 1,663 35.2% 2,905 61.5% 158 4,726 R+26.3
Crawford 2,004 42.8% 2,530 54.1% 144 4,678 R+11.2
Cass 1,394 30.0% 3,050 65.5% 209 4,653 R+35.6
Poweshiek 1,212 26.1% 3,137 67.5% 300 4,649 R+41.4
Hardin 749 16.2% 3,643 78.9% 223 4,615 R+62.7
Buchanan 1,545 33.6% 2,798 60.9% 249 4,592 R+27.3
Carroll 2,040 45.6% 2,290 51.2% 141 4,471 R+5.6
Warren 1,191 26.8% 2,938 66.2% 309 4,438 R+39.4
Kossuth 1,352 30.6% 3,001 68.0% 59 4,412 R+37.4
Iowa 1,891 43.4% 2,303 52.8% 167 4,361 R+9.4
Union 1,322 30.7% 2,674 62.2% 306 4,302 R+31.4
Allamakee 1,571 37.2% 2,609 61.8% 44 4,224 R+24.6
Sioux 1,151 27.2% 2,992 70.8% 81 4,224 R+43.6
Cerro Gordo 836 20.1% 3,108 74.6% 225 4,169 R+54.5
Decatur 1,548 37.2% 2,430 58.4% 180 4,158 R+21.2
Madison 1,190 28.9% 2,602 63.2% 325 4,117 R+34.3
Henry 1,259 30.7% 2,647 64.5% 200 4,106 R+33.8
Wayne 1,452 35.6% 2,290 56.1% 339 4,081 R+20.5
Delaware 1,236 30.4% 2,726 67.0% 104 4,066 R+36.6
Guthrie 1,032 25.5% 2,857 70.5% 161 4,050 R+45.1
Hamilton 746 18.4% 3,118 77.1% 181 4,045 R+58.6
Taylor 1,060 26.4% 2,650 65.9% 311 4,021 R+39.5
Van Buren 1,416 35.3% 2,469 61.5% 129 4,014 R+26.2
Shelby 1,584 39.6% 2,310 57.7% 110 4,004 R+18.1
Montgomery 722 18.4% 2,956 75.3% 250 3,928 R+56.9
Fremont 1,511 38.6% 2,227 56.9% 173 3,911 R+18.3
Chickasaw 1,790 47.0% 1,972 51.7% 49 3,811 R+4.8
Bremer 1,783 47.0% 1,927 50.8% 82 3,792 R+3.8
Jefferson 1,172 31.3% 2,330 62.2% 242 3,744 R+30.9
Floyd 761 20.6% 2,820 76.3% 116 3,697 R+55.7
Mills 1,274 34.5% 2,252 61.1% 162 3,688 R+26.5
Calhoun 870 23.7% 2,479 67.4% 327 3,676 R+43.8
Greene 908 24.7% 2,583 70.3% 185 3,676 R+45.6
Butler 815 22.3% 2,743 75.0% 100 3,658 R+52.7
Wright 695 19.2% 2,795 77.4% 122 3,612 R+58.1
Sac 835 23.2% 2,609 72.4% 158 3,602 R+49.3
Monona 1,016 29.0% 2,274 64.8% 219 3,509 R+35.9
Lucas 878 25.5% 2,259 65.7% 300 3,437 R+40.2
Davis 1,533 45.3% 1,722 50.9% 127 3,382 R+5.6
Adair 895 26.5% 2,303 68.2% 178 3,376 R+41.7
O'Brien 885 26.8% 2,279 68.9% 142 3,306 R+42.2
Cherokee 688 21.0% 2,446 74.6% 145 3,279 R+53.6
Buena Vista 605 18.6% 2,483 76.2% 172 3,260 R+57.6
Ringgold 835 26.3% 2,200 69.4% 136 3,171 R+43.0
Palo Alto 1,081 34.2% 1,999 63.3% 77 3,157 R+29.1
Howard 1,096 36.0% 1,823 59.9% 123 3,042 R+23.9
Grundy 938 30.9% 2,021 66.5% 78 3,037 R+35.7
Adams 1,003 33.6% 1,761 58.9% 225 2,989 R+25.4
Louisa 663 22.4% 2,147 72.6% 147 2,957 R+50.2
Franklin 531 18.0% 2,346 79.6% 69 2,946 R+61.6
Pocahontas 841 29.0% 1,924 66.3% 136 2,901 R+37.3
Mitchell 634 22.0% 2,158 74.9% 88 2,880 R+52.9
Audubon 934 32.9% 1,843 65.0% 59 2,836 R+32.1
Clarke 896 32.2% 1,799 64.6% 91 2,786 R+32.4
Lyon 841 30.4% 1,802 65.1% 127 2,770 R+34.7
Clay 487 17.8% 2,154 78.7% 96 2,737 R+60.9
Hancock 517 19.2% 2,112 78.4% 65 2,694 R+59.2
Ida 940 36.4% 1,565 60.7% 75 2,580 R+24.2
Humboldt 369 15.5% 1,950 81.8% 66 2,385 R+66.3
Winnebago 174 7.8% 2,002 89.5% 62 2,238 R+81.7
Emmet 358 16.6% 1,732 80.1% 71 2,161 R+63.6
Worth 307 15.2% 1,659 82.0% 58 2,024 R+66.8
Osceola 554 31.7% 1,179 67.4% 17 1,750 R+35.7
Dickinson 312 18.4% 1,320 78.0% 60 1,692 R+59.6

Counties as they stood in 1904; 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