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United States · Election results history · 2004 House · Iowa
Election 2004 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.

2004 US House elections in Iowa

Iowa elected 5 members of the House in 2004: Democrats won 1 seats and Republicans 4.

The closest was the 3rd district, decided by 10.5 points: Leonard L. Boswell (Democrat) beat Stan Thompson (Republican), 55.2% to 44.7%, a margin of 10.5 points and 31,908 votes.

In the House vote by county, Republicans led in 88 of the 99 counties and Democrats in 11. The largest, Polk, cast 198,043 votes and went to the Democrat by 13.4 points. The closest was Winneshiek, where 16 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.

Every district

DistrictDemocratVotesRepublicanVotesOthersMargin
1 Bill Gluba125,490 (43.3%) Jim Nussle159,993 (55.2%) 4,571 R+11.9
2 Dave Franker117,405 (39.2%) James A. Leach176,684 (58.9%) 5,792 R+19.8
3 Leonard L. Boswell168,007 (55.2%) Stan Thompson136,099 (44.7%) 213 D+10.5
4 Paul W. Johnson116,121 (39.0%) Tom Latham181,294 (60.9%) 151 R+21.9
5 E. Joyce Schulte97,597 (36.6%) Steve King168,583 (63.3%) 161 R+26.7

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Polk 112,335 56.7% 85,708 43.3% 198,043 D+13.4
Linn 41,482 38.7% 63,671 59.4% 1,972 107,125 R+20.7
Scott 36,609 45.5% 42,645 53.0% 1,248 80,502 R+7.5
Johnson 29,718 47.4% 31,582 50.4% 1,364 62,664 R+3.0
Black Hawk 27,753 44.5% 33,604 53.9% 1,010 62,367 R+9.4
Dubuque 21,470 46.8% 23,883 52.1% 498 45,851 R+5.3
Story 18,751 43.8% 24,087 56.2% 42,838 R+12.5
Woodbury 19,555 45.9% 23,089 54.1% 42,644 R+8.3
Pottawattamie 16,348 40.8% 23,729 59.2% 40,077 R+18.4
Dallas 8,561 33.8% 16,761 66.2% 25,322 R+32.4
Cerro Gordo 10,745 44.8% 13,233 55.2% 23,978 R+10.4
Clinton 10,682 45.7% 12,063 51.6% 647 23,392 R+5.9
Warren 8,619 39.4% 13,251 60.6% 21,870 R+21.2
Des Moines 8,544 42.3% 11,392 56.4% 270 20,206 R+14.1
Jasper 11,725 59.3% 8,055 40.7% 19,780 D+18.6
Marshall 7,747 41.7% 10,812 58.3% 18,559 R+16.5
Webster 7,086 39.0% 11,103 61.0% 18,189 R+22.1
Muscatine 6,020 33.3% 11,781 65.3% 253 18,054 R+31.9
Lee 7,368 42.4% 9,530 54.9% 471 17,369 R+12.4
Marion 8,004 49.3% 8,240 50.7% 16,244 R+1.5
Wapello 6,740 42.1% 8,962 56.0% 299 16,001 R+13.9
Sioux 1,688 11.1% 13,517 88.9% 15,205 R+77.8
Boone 5,464 40.0% 8,184 60.0% 13,648 R+19.9
Benton 6,683 52.1% 6,135 47.9% 12,818 D+4.3
Bremer 4,442 35.4% 7,965 63.4% 151 12,558 R+28.1
Plymouth 3,728 32.0% 7,928 68.0% 11,656 R+36.0
Winneshiek 5,284 50.1% 5,268 49.9% 10,552 D+0.2
Mahaska 4,951 47.5% 5,468 52.5% 10,419 R+5.0
Buchanan 4,121 39.7% 6,103 58.8% 160 10,384 R+19.1
Washington 2,587 25.1% 7,554 73.3% 165 10,306 R+48.2
Fayette 3,669 36.4% 6,227 61.8% 177 10,073 R+25.4
Jones 3,808 38.7% 5,889 59.8% 148 9,845 R+21.1
Carroll 4,125 42.0% 5,706 58.0% 9,831 R+16.1
Poweshiek 5,640 57.8% 4,120 42.2% 9,760 D+15.6
Jackson 4,193 43.9% 5,224 54.7% 127 9,544 R+10.8
Cedar 2,898 30.8% 6,389 67.8% 134 9,421 R+37.1
Henry 2,595 28.3% 6,421 70.1% 139 9,155 R+41.8
Delaware 3,237 35.5% 5,782 63.5% 90 9,109 R+27.9
Kossuth 2,934 32.4% 6,124 67.6% 9,058 R+35.2
Dickinson 3,615 40.1% 5,403 59.9% 9,018 R+19.8
Clayton 3,347 37.2% 5,514 61.3% 137 8,998 R+24.1
Tama 4,384 50.6% 4,285 49.4% 8,669 D+1.1
Hardin 2,892 33.4% 5,757 66.6% 8,649 R+33.1
Buena Vista 2,845 34.9% 5,308 65.1% 8,153 R+30.2
Iowa 4,083 50.1% 4,063 49.9% 8,146 D+0.2
Hamilton 2,758 33.9% 5,387 66.1% 8,145 R+32.3
Clay 2,972 36.6% 5,156 63.4% 8,128 R+26.9
Floyd 3,388 42.2% 4,633 57.8% 8,021 R+15.5
Jefferson 2,891 36.3% 4,843 60.8% 229 7,963 R+24.5
Madison 2,704 34.8% 5,067 65.2% 7,771 R+30.4
O'Brien 1,964 26.4% 5,478 73.6% 7,442 R+47.2
Butler 2,159 29.4% 5,094 69.4% 90 7,343 R+40.0
Harrison 2,706 37.3% 4,551 62.7% 7,257 R+25.4
Page 1,979 27.4% 5,237 72.6% 7,216 R+45.1
Cass 2,486 35.1% 4,592 64.9% 7,078 R+29.8
Crawford 2,225 31.6% 4,820 68.4% 7,045 R+36.8
Allamakee 3,074 45.2% 3,731 54.8% 6,805 R+9.7
Grundy 2,427 36.8% 4,172 63.2% 6,599 R+26.4
Cherokee 2,414 36.9% 4,123 63.1% 6,537 R+26.1
Chickasaw 3,066 47.1% 3,437 52.9% 6,503 R+5.7
Wright 1,967 30.3% 4,533 69.7% 6,500 R+39.5
Mills 2,184 33.7% 4,293 66.3% 6,477 R+32.6
Shelby 2,314 37.5% 3,861 62.5% 6,175 R+25.1
Appanoose 2,065 34.3% 3,893 64.6% 70 6,028 R+30.3
Winnebago 1,895 32.3% 3,968 67.7% 5,863 R+35.4
Lyon 1,094 18.9% 4,708 81.1% 5,802 R+62.3
Hancock 1,749 30.2% 4,040 69.8% 5,789 R+39.6
Union 2,697 47.5% 2,981 52.5% 5,678 R+5.0
Guthrie 2,395 42.4% 3,248 57.6% 5,643 R+15.1
Franklin 1,520 27.8% 3,939 72.2% 5,459 R+44.3
Calhoun 1,615 29.9% 3,783 70.1% 5,398 R+40.2
Mitchell 2,218 41.3% 3,158 58.7% 5,376 R+17.5
Humboldt 1,465 27.8% 3,798 72.2% 5,263 R+44.3
Sac 1,551 29.5% 3,707 70.5% 5,258 R+41.0
Keokuk 2,922 55.6% 2,331 44.4% 5,253 D+11.3
Montgomery 1,469 28.1% 3,765 71.9% 5,234 R+43.9
Palo Alto 1,825 36.1% 3,230 63.9% 5,055 R+27.8
Emmet 1,764 35.2% 3,242 64.8% 5,006 R+29.5
Greene 1,754 35.2% 3,225 64.8% 4,979 R+29.5
Louisa 1,449 29.5% 3,389 69.0% 73 4,911 R+39.5
Monona 1,805 37.1% 3,055 62.9% 4,860 R+25.7
Howard 2,211 48.5% 2,350 51.5% 4,561 R+3.0
Lucas 2,454 54.7% 2,035 45.3% 4,489 D+9.3
Clarke 2,196 51.0% 2,112 49.0% 4,308 D+1.9
Pocahontas 1,359 32.3% 2,848 67.7% 4,207 R+35.4
Worth 1,706 42.1% 2,345 57.9% 4,051 R+15.8
Adair 1,687 42.2% 2,310 57.8% 3,997 R+15.6
Monroe 2,399 61.7% 1,487 38.3% 3,886 D+23.5
Decatur 1,658 43.7% 2,132 56.3% 3,790 R+12.5
Davis 1,126 29.9% 2,585 68.5% 60 3,771 R+38.7
Van Buren 954 25.6% 2,729 73.1% 48 3,731 R+47.6
Fremont 1,348 36.4% 2,353 63.6% 3,701 R+27.2
Ida 1,045 28.3% 2,642 71.7% 3,687 R+43.3
Audubon 1,538 45.6% 1,838 54.4% 3,376 R+8.9
Osceola 775 25.0% 2,329 75.0% 3,104 R+50.1
Taylor 1,144 38.2% 1,854 61.8% 2,998 R+23.7
Wayne 968 32.6% 1,963 66.1% 39 2,970 R+33.5
Ringgold 1,076 41.2% 1,534 58.8% 2,610 R+17.5
Adams 971 44.2% 1,224 55.8% 2,195 R+11.5

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Iowa in every House election we hold

YearSeatsHouse vote
2024 D 0, R 4 R+13.0
2022 D 0, R 4 R+12.5
2020 D 1, R 3 R+5.9
2018 D 3, R 1 D+4.0
2016 D 1, R 3 R+9.2
2014 D 1, R 3 R+7.7
2012 D 2, R 2 D+3.0
2010 D 3, R 2 R+10.6
2008 D 3, R 2 D+4.1
2006 D 3, R 2 R+2.9
2004 D 1, R 4 R+13.6
2002 D 1, R 4 R+9.2
2000 D 1, R 4 R+14.6
1998 D 1, R 4 R+23.7
1996 D 1, R 4 R+9.8
1994 D 0, R 5 R+15.6
1992 D 1, R 4 R+19.0
1990 D 2, R 4 D+2.0