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United States · Election results history · 2016 president · Iowa
Election 2016 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.

2016 presidential election in Iowa

Donald Trump (Republican) beat Hillary Clinton (Democrat) in Iowa in 2016, 51.1% to 41.7%, a margin of 9.4 points and 147,314 votes.

Iowa voted 11.5 points more Republican than the country as a whole, where the margin was D+2.1.

Iowa changed party: in 2012 it went Democratic, for Barack Obama.

Republicans led in 93 of the 99 counties and Democrats in 6. The largest, Polk, cast 231,555 votes and went to the Democrat by 11.4 points. The closest was Jefferson, where 38 votes separated the two parties.

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Results
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If the polls miss like

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
Donald Trump won Republican 800,983 51.1%
Hillary Clinton Democratic 653,669 41.7%
All other candidates 111,379 7.1%
Total1,566,031

Every county

CountyDemocratRepublicanOthersTotalMargin
Polk 119,804 51.7% 93,492 40.4% 18,259 231,555 D+11.4
Linn 58,935 50.3% 48,390 41.3% 9,773 117,098 D+9.0
Scott 40,440 46.9% 39,149 45.4% 6,631 86,220 D+1.5
Johnson 50,200 65.2% 21,044 27.4% 5,696 76,940 D+37.9
Black Hawk 32,233 50.0% 27,476 42.7% 4,696 64,405 D+7.4
Story 25,709 50.7% 19,458 38.4% 5,500 50,667 D+12.3
Dubuque 22,850 46.0% 23,460 47.2% 3,411 49,721 R+1.2
Woodbury 16,210 37.1% 24,727 56.6% 2,781 43,718 R+19.5
Pottawattamie 15,355 36.0% 24,447 57.3% 2,878 42,680 R+21.3
Dallas 15,701 41.0% 19,339 50.6% 3,212 38,252 R+9.5
Warren 10,411 38.1% 14,814 54.3% 2,075 27,300 R+16.1
Clinton 10,095 43.8% 11,276 48.9% 1,696 23,067 R+5.1
Cerro Gordo 9,862 42.9% 11,621 50.6% 1,482 22,965 R+7.7
Muscatine 8,368 43.1% 9,584 49.3% 1,482 19,434 R+6.3
Des Moines 8,212 43.0% 9,529 49.9% 1,362 19,103 R+6.9
Jasper 7,109 37.3% 10,560 55.5% 1,365 19,034 R+18.1
Sioux 2,300 12.6% 14,785 81.3% 1,109 18,194 R+68.6
Marshall 7,652 42.6% 9,146 50.9% 1,182 17,980 R+8.3
Marion 5,482 30.8% 10,962 61.5% 1,372 17,816 R+30.8
Webster 6,305 36.2% 10,056 57.7% 1,069 17,430 R+21.5
Lee 6,215 38.5% 8,803 54.5% 1,133 16,151 R+16.0
Wapello 5,594 36.9% 8,715 57.5% 840 15,149 R+20.6
Boone 5,541 39.0% 7,484 52.7% 1,171 14,196 R+13.7
Benton 4,678 33.8% 8,232 59.5% 934 13,844 R+25.7
Bremer 5,356 39.6% 7,208 53.2% 974 13,538 R+13.7
Plymouth 2,885 21.9% 9,680 73.4% 625 13,190 R+51.5
Winneshiek 5,254 46.2% 5,344 47.0% 764 11,362 R+0.8
Washington 3,943 36.1% 6,173 56.5% 813 10,929 R+20.4
Mahaska 2,619 24.6% 7,432 69.9% 581 10,632 R+45.3
Carroll 3,309 31.4% 6,638 63.0% 597 10,544 R+31.6
Dickinson 3,056 29.5% 6,753 65.2% 545 10,354 R+35.7
Jackson 3,837 37.2% 5,824 56.5% 649 10,310 R+19.3
Buchanan 3,970 38.7% 5,510 53.7% 772 10,252 R+15.0
Jones 3,787 37.4% 5,720 56.4% 626 10,133 R+19.1
Fayette 3,689 37.0% 5,620 56.3% 666 9,975 R+19.4
Poweshiek 4,304 43.8% 4,946 50.3% 583 9,833 R+6.5
Cedar 3,599 37.7% 5,295 55.5% 647 9,541 R+17.8
Henry 2,904 30.9% 5,779 61.5% 721 9,404 R+30.6
Delaware 2,957 32.0% 5,694 61.6% 590 9,241 R+29.6
Clayton 3,237 35.5% 5,317 58.2% 575 9,129 R+22.8
Iowa 3,084 34.6% 5,205 58.5% 615 8,904 R+23.8
Tama 3,196 36.5% 4,971 56.8% 585 8,752 R+20.3
Madison 2,678 31.0% 5,360 62.1% 598 8,636 R+31.1
Clay 2,249 26.1% 5,877 68.2% 491 8,617 R+42.1
Kossuth 2,543 29.5% 5,653 65.7% 411 8,607 R+36.1
Hardin 2,787 32.7% 5,254 61.6% 492 8,533 R+28.9
Buena Vista 2,856 34.5% 4,903 59.2% 519 8,278 R+24.7
Jefferson 3,710 45.5% 3,748 46.0% 698 8,156 R+0.5
Floyd 3,179 39.4% 4,375 54.3% 506 8,060 R+14.8
Mills 2,090 27.1% 5,067 65.8% 541 7,698 R+38.7
Hamilton 2,726 35.4% 4,463 58.0% 505 7,694 R+22.6
Butler 2,157 28.7% 4,921 65.5% 435 7,513 R+36.8
Harrison 2,131 28.5% 4,902 65.7% 432 7,465 R+37.1
O'Brien 1,315 17.8% 5,752 77.7% 339 7,406 R+59.9
Cass 1,951 27.4% 4,761 66.8% 413 7,125 R+39.4
Page 1,807 25.7% 4,893 69.5% 344 7,044 R+43.8
Crawford 1,991 28.7% 4,617 66.6% 327 6,935 R+37.9
Allamakee 2,421 35.0% 4,093 59.1% 409 6,923 R+24.2
Grundy 1,856 27.0% 4,527 65.9% 489 6,872 R+38.9
Chickasaw 2,266 35.2% 3,742 58.2% 427 6,435 R+22.9
Lyon 920 14.4% 5,192 81.4% 265 6,377 R+67.0
Shelby 1,662 26.1% 4,362 68.5% 346 6,370 R+42.4
Cherokee 1,679 26.8% 4,192 67.0% 387 6,258 R+40.2
Appanoose 1,814 29.6% 4,033 65.7% 289 6,136 R+36.2
Wright 1,896 31.5% 3,800 63.1% 330 6,026 R+31.6
Hancock 1,587 27.0% 3,977 67.7% 307 5,871 R+40.7
Union 1,922 33.0% 3,525 60.4% 385 5,832 R+27.5
Winnebago 1,931 33.4% 3,447 59.6% 409 5,787 R+26.2
Guthrie 1,732 30.1% 3,628 63.1% 390 5,750 R+33.0
Mitchell 1,888 34.9% 3,190 58.9% 339 5,417 R+24.0
Sac 1,270 24.4% 3,703 71.0% 239 5,212 R+46.7
Calhoun 1,398 27.1% 3,468 67.2% 293 5,159 R+40.1
Humboldt 1,252 24.6% 3,568 70.1% 267 5,087 R+45.5
Montgomery 1,314 26.1% 3,436 68.1% 294 5,044 R+42.1
Louisa 1,648 32.9% 3,069 61.3% 291 5,008 R+28.4
Keokuk 1,342 26.9% 3,390 68.0% 253 4,985 R+41.1
Franklin 1,493 30.1% 3,163 63.7% 312 4,968 R+33.6
Greene 1,691 35.1% 2,820 58.5% 310 4,821 R+23.4
Emmet 1,357 28.6% 3,124 65.7% 272 4,753 R+37.2
Palo Alto 1,398 29.7% 3,081 65.5% 224 4,703 R+35.8
Monona 1,247 27.3% 3,120 68.2% 205 4,572 R+41.0
Howard 1,677 36.8% 2,611 57.3% 271 4,559 R+20.5
Clarke 1,465 32.9% 2,713 60.9% 276 4,454 R+28.0
Lucas 1,239 28.5% 2,877 66.1% 238 4,354 R+37.6
Worth 1,530 35.9% 2,453 57.6% 274 4,257 R+21.7
Davis 977 25.2% 2,723 70.1% 182 3,882 R+45.0
Monroe 1,056 27.3% 2,638 68.3% 171 3,865 R+40.9
Pocahontas 963 24.9% 2,702 69.9% 200 3,865 R+45.0
Adair 1,133 29.7% 2,461 64.6% 217 3,811 R+34.8
Decatur 1,201 32.2% 2,296 61.5% 237 3,734 R+29.3
Ida 792 21.9% 2,655 73.5% 165 3,612 R+51.6
Fremont 963 26.8% 2,407 67.0% 225 3,595 R+40.2
Van Buren 845 23.7% 2,527 71.0% 189 3,561 R+47.2
Audubon 1,080 31.7% 2,136 62.6% 196 3,412 R+30.9
Osceola 552 17.2% 2,531 78.8% 130 3,213 R+61.6
Taylor 758 25.0% 2,111 69.7% 160 3,029 R+44.7
Wayne 719 24.5% 2,069 70.4% 152 2,940 R+45.9
Ringgold 753 27.8% 1,824 67.4% 130 2,707 R+39.6
Adams 565 26.8% 1,395 66.2% 146 2,106 R+39.4

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