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United States · Election results history · 2012 House · Iowa
Election 2012 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.

2012 US House elections in Iowa

Iowa elected 4 members of the House in 2012: Democrats won 2 seats and Republicans 2.

The closest was the 4th district, decided by 8.1 points: Steve King (Republican) beat Christie Vilsack (Democrat), 52.9% to 44.8%, a margin of 8.1 points and 30,593 votes.

In the House vote by county, Democrats led in 56 of the 99 counties and Republicans in 43. The largest, Madison, cast 46,212 votes and went to the Republican by 11.4 points. The closest was Webster, where 7 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 Bruce L. Braley222,422 (56.9%) Ben Lange162,465 (41.6%) 5,962 D+15.3
2 David Loebsack211,863 (55.6%) John Archer161,977 (42.5%) 7,435 D+13.1
3 Leonard L. Boswell168,632 (43.6%) Tom Latham202,000 (52.2%) 16,210 R+8.6
4 Christie Vilsack169,470 (44.8%) Steve King200,063 (52.9%) 8,350 R+8.1

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Madison 19,510 42.2% 24,761 53.6% 1,941 46,212 R+11.4
Polk 19,951 47.8% 20,424 48.9% 1,382 41,757 R+1.1
Linn 19,844 59.0% 13,257 39.4% 510 33,611 D+19.6
Union 16,551 49.5% 15,544 46.5% 1,316 33,411 D+3.0
Henry 16,329 49.9% 15,584 47.6% 822 32,735 D+2.3
Guthrie 13,087 41.0% 17,371 54.5% 1,438 31,896 R+13.4
Black Hawk 17,428 59.7% 11,533 39.5% 230 29,191 D+20.2
Scott 14,304 50.8% 13,450 47.8% 388 28,142 D+3.0
Marshall 14,827 54.2% 11,927 43.6% 606 27,360 D+10.6
Dubuque 16,869 62.8% 9,699 36.1% 276 26,844 D+26.7
Montgomery 9,533 35.9% 15,736 59.3% 1,260 26,529 R+23.4
Pottawattamie 13,852 52.8% 10,987 41.9% 1,393 26,232 D+10.9
Des Moines 16,209 64.8% 8,352 33.4% 470 25,031 D+31.4
Dallas 9,431 39.7% 13,570 57.1% 773 23,774 R+17.4
Bremer 12,660 53.5% 10,760 45.5% 232 23,652 D+8.0
Poweshiek 14,150 60.4% 8,960 38.3% 308 23,418 D+22.2
Winneshiek 13,330 58.6% 9,110 40.0% 321 22,761 D+18.5
Warren 11,207 49.6% 10,574 46.8% 816 22,597 D+2.8
Clinton 14,930 67.1% 6,838 30.7% 498 22,266 D+36.3
Johnson 15,433 69.7% 6,475 29.2% 233 22,141 D+40.5
Adair 8,679 40.2% 11,876 55.1% 1,016 21,571 R+14.8
Fremont 7,941 40.5% 10,591 54.1% 1,052 19,584 R+13.5
Worth 10,819 57.0% 7,584 39.9% 588 18,991 D+17.0
Delaware 9,552 50.6% 9,101 48.2% 221 18,874 D+2.4
Jones 10,762 57.4% 7,571 40.4% 401 18,734 D+17.0
Washington 10,022 53.7% 8,391 45.0% 247 18,660 D+8.7
Benton 9,367 51.7% 8,463 46.7% 301 18,131 D+5.0
Hardin 8,464 47.0% 9,056 50.2% 506 18,026 R+3.3
Mills 6,858 38.2% 10,049 56.0% 1,029 17,936 R+17.8
Buchanan 10,300 57.6% 7,395 41.3% 194 17,889 D+16.2
Clayton 9,998 56.5% 7,395 41.8% 301 17,694 D+14.7
Jackson 10,749 63.1% 6,065 35.6% 212 17,026 D+27.5
Floyd 10,235 60.2% 6,359 37.4% 398 16,992 D+22.8
Story 11,092 65.9% 5,420 32.2% 324 16,836 D+33.7
Mahaska 7,104 42.2% 9,374 55.7% 337 16,815 R+13.5
Page 6,451 38.4% 9,724 57.9% 620 16,795 R+19.5
Louisa 8,775 52.3% 7,576 45.1% 443 16,794 D+7.1
Iowa 8,631 51.8% 7,730 46.4% 292 16,653 D+5.4
Jasper 8,327 50.7% 7,694 46.8% 414 16,435 D+3.9
Taylor 6,888 42.4% 8,789 54.1% 569 16,246 R+11.7
Hamilton 8,026 49.7% 7,663 47.5% 457 16,146 D+2.2
Cass 6,106 39.1% 8,917 57.1% 602 15,625 R+18.0
Butler 7,395 48.6% 7,491 49.3% 317 15,203 R+0.6
Tama 8,487 57.0% 6,238 41.9% 169 14,894 D+15.1
Clarke 8,111 54.8% 6,320 42.7% 366 14,797 D+12.1
Muscatine 8,626 58.3% 5,864 39.7% 295 14,785 D+18.7
Marion 7,896 54.0% 6,478 44.3% 238 14,612 D+9.7
Ringgold 7,087 48.6% 6,997 48.0% 488 14,572 D+0.6
O'Brien 4,066 28.0% 10,227 70.4% 236 14,529 R+42.4
Lee 9,549 66.2% 4,602 31.9% 270 14,421 D+34.3
Lucas 7,154 50.2% 6,768 47.5% 319 14,241 D+2.7
Allamakee 7,484 52.9% 6,438 45.5% 230 14,152 D+7.4
Grundy 5,598 40.5% 7,956 57.6% 261 13,815 R+17.1
Crawford 5,696 41.8% 7,642 56.1% 293 13,631 R+14.3
Cedar 7,410 55.4% 5,813 43.4% 164 13,387 D+11.9
Jefferson 8,536 64.1% 4,598 34.5% 185 13,319 D+29.6
Davis 7,059 53.7% 5,884 44.8% 191 13,134 D+8.9
Cherokee 5,254 40.5% 7,372 56.9% 338 12,964 R+16.3
Monroe 6,719 52.3% 5,874 45.8% 242 12,835 D+6.6
Shelby 5,420 42.3% 7,103 55.5% 285 12,808 R+13.1
Decatur 6,704 52.9% 5,629 44.5% 329 12,662 D+8.5
Lyon 3,081 24.4% 9,341 73.9% 219 12,641 R+49.5
Woodbury 6,589 53.1% 5,540 44.7% 269 12,398 D+8.5
Van Buren 5,899 48.3% 6,019 49.3% 285 12,203 R+1.0
Adams 5,501 45.4% 6,091 50.3% 513 12,105 R+4.9
Mitchell 6,035 51.8% 5,359 46.0% 248 11,642 D+5.8
Sioux 2,304 20.7% 8,719 78.3% 117 11,140 R+57.6
Sac 3,882 36.5% 6,566 61.7% 202 10,650 R+25.2
Howard 6,425 60.3% 4,012 37.7% 212 10,649 D+22.7
Boone 6,020 57.4% 4,160 39.7% 304 10,484 D+17.7
Plymouth 3,557 34.3% 6,674 64.3% 150 10,381 R+30.0
Humboldt 4,315 41.6% 5,777 55.7% 281 10,373 R+14.1
Palo Alto 4,602 46.8% 5,001 50.8% 232 9,835 R+4.1
Greene 4,967 50.6% 4,617 47.0% 232 9,816 D+3.6
Wayne 5,057 51.9% 4,492 46.1% 201 9,750 D+5.8
Carroll 4,195 46.7% 4,625 51.5% 155 8,975 R+4.8
Appanoose 5,039 56.4% 3,715 41.6% 185 8,939 D+14.8
Fayette 4,704 54.2% 3,868 44.5% 112 8,684 D+9.6
Buena Vista 3,884 45.9% 4,426 52.3% 158 8,468 R+6.4
Pocahontas 3,329 41.2% 4,568 56.5% 191 8,088 R+15.3
Cerro Gordo 4,266 53.2% 3,589 44.8% 160 8,015 D+8.4
Ida 2,461 33.4% 4,765 64.7% 136 7,362 R+31.3
Clay 3,130 42.8% 3,994 54.7% 182 7,306 R+11.8
Wapello 3,749 52.4% 3,218 44.9% 193 7,160 D+7.4
Audubon 3,331 48.0% 3,431 49.5% 172 6,934 R+1.4
Dickinson 2,821 41.1% 3,920 57.2% 115 6,856 R+16.0
Webster 3,125 48.6% 3,132 48.7% 171 6,428 R+0.1
Osceola 1,812 28.6% 4,378 69.1% 142 6,332 R+40.5
Wright 2,967 47.1% 3,180 50.5% 151 6,298 R+3.4
Winnebago 3,213 53.4% 2,658 44.2% 145 6,016 D+9.2
Keokuk 2,921 48.6% 2,971 49.4% 119 6,011 R+0.8
Hancock 2,784 46.4% 3,057 51.0% 159 6,000 R+4.6
Kossuth 3,007 50.1% 2,853 47.6% 138 5,998 D+2.6
Harrison 2,617 45.8% 2,915 51.1% 176 5,708 R+5.2
Chickasaw 3,193 58.4% 2,158 39.5% 119 5,470 D+18.9
Calhoun 2,373 44.8% 2,777 52.4% 146 5,296 R+7.6
Franklin 2,307 48.8% 2,318 49.0% 106 4,731 R+0.2
Monona 1,920 42.6% 2,479 55.1% 103 4,502 R+12.4
Emmet 2,171 49.0% 2,153 48.6% 103 4,427 D+0.4

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