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United States · Election results history · 2020 House · Iowa
Election 2020 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.

2020 US House elections in Iowa

Iowa elected 4 members of the House in 2020: Democrats won 1 seats and Republicans 3.

The closest was the 2nd district, decided by 0.0 points: Mariannette Miller-Meeks (Republican) beat Rita Hart (Democrat), 49.91% to 49.91%, a margin of 0.00 points and 6 votes.

In the House vote by county, Republicans led in 90 of the 99 counties and Democrats in 9. The largest, Polk, cast 252,471 votes and went to the Democrat by 15.5 points. The closest was Jefferson, where 148 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 Abby Finkenauer201,347 (48.6%) Ashley Hinson212,088 (51.2%) 434 R+2.6
2 Rita Hart196,958 (49.9%) Mariannette Miller-Meeks196,964 (49.9%) 703 level
3 Cindy Axne219,205 (48.9%) David Young212,997 (47.5%) 15,745 D+1.4
4 J. D. Scholten144,761 (37.8%) Randy Feenstra237,369 (62.0%) 892 R+24.2

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Polk 141,567 56.1% 102,320 40.5% 8,584 252,471 D+15.5
Linn 69,391 55.2% 56,243 44.7% 152 125,786 D+10.5
Scott 47,459 53.0% 41,973 46.8% 168 89,600 D+6.1
Johnson 56,129 69.9% 24,101 30.0% 68 80,298 D+39.9
Black Hawk 36,060 55.1% 29,333 44.8% 75 65,468 D+10.3
Dallas 25,367 46.2% 27,907 50.8% 1,636 54,910 R+4.6
Dubuque 26,541 50.2% 26,263 49.7% 55 52,859 D+0.5
Story 28,249 57.6% 20,694 42.2% 116 49,059 D+15.4
Pottawattamie 18,424 41.1% 24,256 54.1% 2,122 44,802 R+13.0
Woodbury 19,812 45.0% 24,045 54.6% 178 44,035 R+9.6
Warren 12,698 41.8% 16,473 54.2% 1,202 30,373 R+12.4
Clinton 12,997 54.2% 10,945 45.6% 35 23,977 D+8.6
Cerro Gordo 10,876 48.0% 11,736 51.8% 32 22,644 R+3.8
Muscatine 9,731 48.5% 10,279 51.3% 37 20,047 R+2.7
Jasper 8,099 41.9% 11,181 57.9% 36 19,316 R+16.0
Des Moines 9,268 48.9% 9,641 50.8% 62 18,971 R+2.0
Sioux 2,756 14.6% 16,017 85.1% 53 18,826 R+70.4
Marion 6,124 33.4% 12,146 66.3% 43 18,313 R+32.9
Marshall 8,176 47.1% 9,176 52.8% 21 17,373 R+5.8
Webster 6,894 40.5% 10,117 59.4% 31 17,042 R+18.9
Lee 6,969 43.2% 9,145 56.6% 35 16,149 R+13.5
Wapello 6,153 41.1% 8,780 58.7% 36 14,969 R+17.5
Boone 6,453 44.0% 8,180 55.8% 34 14,667 R+11.8
Benton 5,307 36.6% 9,165 63.3% 17 14,489 R+26.6
Bremer 6,036 43.0% 8,000 57.0% 10 14,046 R+14.0
Plymouth 3,620 26.3% 10,126 73.5% 31 13,777 R+47.2
Winneshiek 5,807 49.0% 6,041 51.0% 5 11,853 R+2.0
Washington 4,650 41.1% 6,633 58.7% 23 11,306 R+17.5
Jones 4,242 39.0% 6,621 60.9% 8 10,871 R+21.9
Dickinson 3,575 33.1% 7,205 66.8% 11 10,791 R+33.6
Mahaska 3,076 28.8% 7,575 70.9% 26 10,677 R+42.1
Buchanan 4,481 42.0% 6,180 58.0% 3 10,664 R+15.9
Carroll 3,805 35.9% 6,768 63.9% 21 10,594 R+28.0
Jackson 4,340 41.0% 6,225 58.9% 9 10,574 R+17.8
Cedar 4,629 45.5% 5,534 54.4% 17 10,180 R+8.9
Fayette 4,099 40.6% 5,984 59.3% 3 10,086 R+18.7
Delaware 3,280 33.1% 6,608 66.8% 8 9,896 R+33.6
Poweshiek 4,429 44.8% 5,432 55.0% 23 9,884 R+10.1
Madison 3,264 33.9% 5,995 62.3% 358 9,617 R+28.4
Iowa 3,543 36.9% 6,041 63.0% 8 9,592 R+26.0
Clayton 3,590 37.8% 5,895 62.1% 6 9,491 R+24.3
Henry 3,607 38.0% 5,857 61.7% 23 9,487 R+23.7
Tama 3,750 42.1% 5,150 57.8% 17 8,917 R+15.7
Kossuth 2,780 31.8% 5,964 68.2% 5 8,749 R+36.4
Hardin 2,934 33.7% 5,758 66.2% 10 8,702 R+32.5
Clay 2,834 32.8% 5,798 67.0% 16 8,648 R+34.3
Jefferson 4,374 50.8% 4,226 49.0% 17 8,617 D+1.7
Mills 2,617 32.5% 5,163 64.1% 276 8,056 R+31.6
Floyd 3,244 41.9% 4,478 57.9% 13 7,735 R+16.0
Buena Vista 3,016 39.0% 4,698 60.7% 20 7,734 R+21.7
Harrison 2,498 32.6% 5,140 67.1% 24 7,662 R+34.5
Hamilton 2,947 38.5% 4,690 61.3% 14 7,651 R+22.8
Butler 2,413 31.8% 5,157 68.0% 14 7,584 R+36.2
O'Brien 1,615 21.9% 5,744 77.9% 17 7,376 R+56.0
Page 2,288 31.0% 4,889 66.3% 199 7,376 R+35.3
Allamakee 2,697 37.0% 4,595 63.0% 3 7,295 R+26.0
Cass 2,210 31.4% 4,626 65.8% 197 7,033 R+34.4
Grundy 2,012 29.0% 4,906 70.8% 13 6,931 R+41.8
Lyon 1,138 17.0% 5,556 82.9% 7 6,701 R+65.9
Crawford 2,412 36.3% 4,215 63.5% 14 6,641 R+27.1
Shelby 1,962 30.9% 4,379 68.9% 16 6,357 R+38.0
Chickasaw 2,092 32.9% 4,254 66.9% 8 6,354 R+34.0
Cherokee 2,090 33.3% 4,168 66.4% 17 6,275 R+33.1
Guthrie 2,095 33.5% 3,890 62.1% 278 6,263 R+28.7
Union 2,201 36.4% 3,589 59.4% 254 6,044 R+23.0
Appanoose 1,952 32.3% 4,078 67.5% 8 6,038 R+35.2
Wright 2,065 34.8% 3,855 65.0% 15 5,935 R+30.2
Hancock 1,772 29.9% 4,136 69.9% 10 5,918 R+39.9
Winnebago 2,215 38.3% 3,549 61.4% 15 5,779 R+23.1
Mitchell 2,016 36.1% 3,559 63.8% 3 5,578 R+27.7
Sac 1,540 29.0% 3,745 70.5% 28 5,313 R+41.5
Montgomery 1,636 31.4% 3,428 65.8% 142 5,206 R+34.4
Louisa 1,917 37.6% 3,169 62.2% 10 5,096 R+24.6
Humboldt 1,473 29.0% 3,601 70.8% 9 5,083 R+41.9
Calhoun 1,570 31.0% 3,473 68.6% 16 5,059 R+37.6
Keokuk 1,571 31.2% 3,461 68.7% 8 5,040 R+37.5
Franklin 1,634 33.4% 3,249 66.4% 10 4,893 R+33.0
Howard 1,893 39.1% 2,944 60.8% 2 4,839 R+21.7
Palo Alto 1,621 33.7% 3,193 66.3% 3 4,817 R+32.6
Greene 1,848 38.4% 2,952 61.3% 12 4,812 R+22.9
Emmet 1,565 33.6% 3,084 66.3% 3 4,652 R+32.7
Monona 1,547 34.1% 2,974 65.5% 22 4,543 R+31.4
Clarke 1,639 37.6% 2,712 62.1% 13 4,364 R+24.6
Worth 1,669 38.7% 2,633 61.1% 6 4,308 R+22.4
Lucas 1,297 30.9% 2,892 68.9% 7 4,196 R+38.0
Adair 1,263 31.1% 2,655 65.4% 142 4,060 R+34.3
Davis 1,129 28.7% 2,795 71.1% 7 3,931 R+42.4
Monroe 1,203 31.5% 2,612 68.4% 6 3,821 R+36.9
Fremont 1,297 34.5% 2,340 62.3% 120 3,757 R+27.8
Ida 1,059 28.4% 2,660 71.3% 10 3,729 R+42.9
Van Buren 941 25.4% 2,759 74.5% 4 3,704 R+49.1
Pocahontas 1,064 29.0% 2,584 70.5% 15 3,663 R+41.5
Decatur 1,215 34.0% 2,347 65.7% 9 3,571 R+31.7
Osceola 627 19.8% 2,542 80.1% 5 3,174 R+60.3
Taylor 821 25.9% 2,261 71.3% 88 3,170 R+45.4
Audubon 1,134 36.4% 1,979 63.5% 4 3,117 R+27.1
Wayne 726 26.1% 2,050 73.7% 5 2,781 R+47.6
Ringgold 823 30.8% 1,789 66.9% 64 2,676 R+36.1
Adams 634 29.7% 1,416 66.4% 83 2,133 R+36.7

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