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United States · Election results history · 2024 House · Iowa
Election 2024 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.

2024 US House elections in Iowa

Iowa elected 4 members of the House in 2024: Democrats won 0 seats and Republicans 4.

The closest was the 1st district, decided by 0.2 points: Mariannette Miller-Meeks (Republican) beat Christina Bohannan (Democrat), 50.0% to 49.8%, a margin of 0.2 points and 799 votes.

In the House vote by county, Republicans led in 93 of the 99 counties and Democrats in 6. The largest, Polk, cast 250,657 votes and went to the Democrat by 11.2 points. The closest was Jefferson, where 242 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 Christina Bohannan206,156 (49.8%) Mariannette Miller-Meeks206,955 (50.0%) 967 R+0.2
2 Sarah Corkery169,740 (41.5%) Ashley Hinson233,340 (57.1%) 5,722 R+15.6
3 Lanon Baccam197,962 (47.9%) Zach Nunn213,746 (51.8%) 1,197 R+3.8
4 Ryan Melton122,175 (32.7%) Randy Feenstra250,522 (67.0%) 1,127 R+34.3

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Polk 138,919 55.4% 110,970 44.3% 768 250,657 D+11.2
Linn 61,886 51.6% 56,744 47.3% 1,403 120,033 D+4.3
Scott 44,902 51.0% 42,896 48.7% 233 88,031 D+2.3
Johnson 59,993 70.7% 24,771 29.2% 137 84,901 D+41.5
Dallas 28,796 46.7% 32,742 53.1% 144 61,682 R+6.4
Black Hawk 29,296 48.2% 30,843 50.7% 672 60,811 R+2.5
Dubuque 21,143 41.4% 29,233 57.3% 636 51,012 R+15.9
Story 25,233 53.6% 21,706 46.1% 108 47,047 D+7.5
Pottawattamie 16,263 38.2% 26,212 61.6% 68 42,543 R+23.4
Woodbury 14,928 36.7% 25,639 63.0% 112 40,679 R+26.3
Warren 14,143 44.3% 17,706 55.4% 85 31,934 R+11.2
Clinton 10,787 46.3% 12,460 53.5% 48 23,295 R+7.2
Cerro Gordo 8,926 40.9% 12,526 57.5% 348 21,800 R+16.5
Jasper 8,147 41.7% 11,358 58.1% 39 19,544 R+16.4
Muscatine 9,128 47.3% 10,138 52.5% 42 19,308 R+5.2
Marion 6,663 34.9% 12,377 64.8% 53 19,093 R+29.9
Sioux 2,241 12.1% 16,164 87.4% 80 18,485 R+75.3
Des Moines 8,874 48.3% 9,433 51.4% 54 18,361 R+3.0
Marshall 6,635 40.7% 9,629 59.1% 26 16,290 R+18.4
Webster 5,082 31.9% 10,822 67.9% 34 15,938 R+36.0
Lee 6,687 42.3% 9,098 57.5% 26 15,811 R+15.2
Boone 5,636 38.4% 9,004 61.4% 28 14,668 R+23.0
Bremer 5,034 35.4% 9,016 63.3% 189 14,239 R+28.0
Benton 4,238 29.9% 9,714 68.5% 221 14,173 R+38.6
Wapello 4,993 35.4% 9,092 64.4% 24 14,109 R+29.1
Plymouth 2,810 21.2% 10,373 78.4% 50 13,233 R+57.2
Winneshiek 4,763 40.8% 6,750 57.8% 165 11,678 R+17.0
Washington 4,706 41.4% 6,616 58.2% 38 11,360 R+16.8
Dickinson 2,903 26.6% 7,974 73.1% 35 10,912 R+46.5
Jones 4,459 41.5% 6,266 58.3% 19 10,744 R+16.8
Mahaska 3,173 29.9% 7,403 69.7% 49 10,625 R+39.8
Buchanan 3,573 34.0% 6,720 63.9% 230 10,523 R+29.9
Cedar 4,460 42.8% 5,943 57.1% 10 10,413 R+14.2
Carroll 2,785 26.8% 7,610 73.1% 15 10,410 R+46.3
Jackson 4,332 41.8% 6,021 58.0% 22 10,375 R+16.3
Delaware 2,570 25.7% 7,044 70.4% 394 10,008 R+44.7
Madison 3,122 31.8% 6,655 67.9% 31 9,808 R+36.0
Fayette 3,070 31.7% 6,471 66.9% 137 9,678 R+35.1
Poweshiek 3,606 37.8% 5,768 60.5% 161 9,535 R+22.7
Iowa 3,783 40.4% 5,550 59.3% 28 9,361 R+18.9
Henry 3,397 36.8% 5,800 62.9% 28 9,225 R+26.0
Clayton 2,647 28.9% 6,409 69.9% 115 9,171 R+41.0
Tama 2,796 33.1% 5,554 65.8% 85 8,435 R+32.7
Clay 2,253 27.4% 5,920 72.1% 41 8,214 R+44.6
Jefferson 4,197 51.3% 3,955 48.4% 25 8,177 D+3.0
Kossuth 2,196 27.0% 5,906 72.7% 17 8,119 R+45.7
Hardin 2,155 27.0% 5,685 71.2% 147 7,987 R+44.2
Butler 1,905 24.3% 5,823 74.3% 114 7,842 R+50.0
Mills 2,319 30.1% 5,349 69.5% 26 7,694 R+39.4
Harrison 2,180 28.9% 5,308 70.5% 45 7,533 R+41.5
Floyd 2,395 32.5% 4,815 65.3% 169 7,379 R+32.8
Hamilton 2,300 31.7% 4,943 68.1% 19 7,262 R+36.4
O'Brien 1,369 19.0% 5,747 79.6% 106 7,222 R+60.6
Allamakee 2,116 29.7% 4,863 68.3% 139 7,118 R+38.6
Page 1,969 27.9% 5,077 71.8% 21 7,067 R+44.0
Grundy 1,722 24.7% 5,196 74.5% 59 6,977 R+49.8
Buena Vista 2,209 32.2% 4,635 67.5% 26 6,870 R+35.3
Cass 1,928 28.4% 4,850 71.4% 16 6,794 R+43.0
Lyon 898 13.4% 5,790 86.3% 25 6,713 R+72.9
Guthrie 2,046 31.9% 4,353 67.8% 19 6,418 R+35.9
Appanoose 1,795 28.8% 4,419 70.8% 26 6,240 R+42.1
Crawford 1,640 27.1% 4,390 72.5% 24 6,054 R+45.4
Shelby 1,569 26.2% 4,413 73.6% 11 5,993 R+47.5
Chickasaw 1,682 28.1% 4,217 70.5% 84 5,983 R+42.4
Cherokee 1,436 24.4% 4,411 75.1% 29 5,876 R+50.6
Union 1,938 33.4% 3,835 66.2% 23 5,796 R+32.7
Hancock 1,479 26.0% 4,175 73.5% 24 5,678 R+47.5
Mitchell 1,616 28.8% 3,930 70.1% 64 5,610 R+41.2
Winnebago 1,859 34.2% 3,572 65.6% 12 5,443 R+31.5
Wright 1,605 30.1% 3,716 69.6% 19 5,340 R+39.5
Sac 1,196 23.1% 3,961 76.4% 27 5,184 R+53.3
Louisa 1,798 36.0% 3,183 63.7% 16 4,997 R+27.7
Keokuk 1,533 30.9% 3,419 68.9% 7 4,959 R+38.0
Humboldt 1,133 23.5% 3,670 76.2% 13 4,816 R+52.7
Montgomery 1,364 28.3% 3,437 71.4% 11 4,812 R+43.1
Calhoun 1,244 25.9% 3,541 73.8% 13 4,798 R+47.9
Palo Alto 1,234 25.9% 3,531 74.0% 6 4,771 R+48.1
Howard 1,388 29.6% 3,218 68.7% 81 4,687 R+39.0
Greene 1,613 34.7% 3,030 65.1% 10 4,653 R+30.5
Franklin 1,269 27.5% 3,342 72.3% 9 4,620 R+44.9
Emmet 1,215 26.7% 3,330 73.1% 9 4,554 R+46.4
Lucas 1,216 27.1% 3,259 72.7% 8 4,483 R+45.6
Monona 1,187 26.8% 3,216 72.7% 22 4,425 R+45.9
Clarke 1,375 31.3% 3,001 68.3% 16 4,392 R+37.0
Worth 1,213 29.4% 2,801 67.9% 109 4,123 R+38.5
Monroe 1,039 26.1% 2,931 73.7% 7 3,977 R+47.6
Adair 1,174 29.7% 2,771 70.1% 10 3,955 R+40.4
Davis 935 24.4% 2,881 75.3% 10 3,826 R+50.9
Decatur 1,073 29.9% 2,489 69.4% 22 3,584 R+39.5
Van Buren 994 27.9% 2,562 71.9% 8 3,564 R+44.0
Fremont 974 27.8% 2,525 72.0% 7 3,506 R+44.2
Ida 760 21.7% 2,729 77.9% 13 3,502 R+56.2
Pocahontas 716 21.1% 2,668 78.6% 10 3,394 R+57.5
Osceola 518 16.7% 2,563 82.9% 12 3,093 R+66.1
Wayne 713 23.4% 2,324 76.3% 8 3,045 R+52.9
Audubon 901 30.6% 2,038 69.2% 6 2,945 R+38.6
Taylor 673 23.0% 2,248 76.7% 8 2,929 R+53.8
Ringgold 678 26.0% 1,914 73.5% 11 2,603 R+47.5
Adams 603 29.1% 1,468 70.7% 4 2,075 R+41.7

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