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United States · Election results history · 1980 president · Iowa
Election 1980 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.

1980 presidential election in Iowa

Ronald Reagan (Republican) beat Jimmy Carter (Democrat) in Iowa in 1980, 51.3% to 38.6%, a margin of 12.7 points and 167,354 votes.

Iowa voted 3.0 points more Republican than the country as a whole, where the margin was R+9.7.

The Republican hold continued from 1976, when Gerald Ford won.

Republicans led in 95 of the 99 counties as they stood then and Democrats in 4. The largest, Polk, cast 143,758 votes and went to the Republican by 1.5 points. The closest was Dubuque, where 40 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.

Result

CandidatePartyVotesShare
Ronald Reagan won Republican 676,026 51.3%
Jimmy Carter Democratic 508,672 38.6%
John B. Anderson Independent 115,633 8.8%
All other candidates 17,330 1.3%
Total1,317,661

Every county

CountyDemocratRepublicanOthersTotalMargin
Polk 61,984 43.1% 64,156 44.6% 17,618 143,758 R+1.5
Linn 31,950 40.8% 36,254 46.3% 10,020 78,224 R+5.5
Scott 26,391 38.9% 34,701 51.1% 6,834 67,926 R+12.2
Black Hawk 27,443 43.1% 29,627 46.5% 6,652 63,722 R+3.4
Woodbury 15,930 36.8% 23,553 54.4% 3,792 43,275 R+17.6
Johnson 20,122 46.8% 13,642 31.7% 9,233 42,997 D+15.1
Dubuque 18,689 45.0% 18,649 44.9% 4,201 41,539 D+0.1
Story 13,529 36.2% 15,829 42.4% 8,013 37,371 R+6.2
Pottawattamie 10,709 32.3% 20,222 61.0% 2,239 33,170 R+28.7
Clinton 9,698 38.5% 13,025 51.7% 2,488 25,211 R+13.2
Cerro Gordo 9,363 41.0% 11,189 49.0% 2,276 22,828 R+8.0
Webster 9,001 42.8% 10,438 49.6% 1,591 21,030 R+6.8
Des Moines 9,977 48.9% 9,158 44.9% 1,282 20,417 D+4.0
Marshall 7,114 36.2% 10,707 54.6% 1,805 19,626 R+18.3
Lee 8,204 44.9% 8,793 48.1% 1,268 18,265 R+3.2
Wapello 8,923 50.5% 7,475 42.3% 1,270 17,668 D+8.2
Jasper 7,258 42.8% 8,286 48.8% 1,422 16,966 R+6.1
Warren 6,610 42.6% 7,360 47.4% 1,549 15,519 R+4.8
Muscatine 5,597 37.0% 7,829 51.7% 1,719 15,145 R+14.7
Sioux 2,698 19.0% 10,768 76.0% 701 14,167 R+57.0
Marion 5,490 40.6% 6,665 49.3% 1,363 13,518 R+8.7
Dallas 5,310 41.0% 6,296 48.6% 1,358 12,964 R+7.6
Boone 5,126 42.4% 5,732 47.4% 1,229 12,087 R+5.0
Fayette 4,377 38.0% 6,374 55.3% 772 11,523 R+17.3
Bremer 3,527 31.2% 6,706 59.3% 1,085 11,318 R+28.1
Benton 4,223 39.7% 5,329 50.1% 1,083 10,635 R+10.4
Mahaska 3,968 38.3% 5,650 54.5% 745 10,363 R+16.2
Plymouth 2,965 28.7% 6,515 63.0% 866 10,346 R+34.3
Kossuth 3,810 37.1% 5,568 54.3% 884 10,262 R+17.1
Hardin 3,757 37.9% 5,329 53.7% 834 9,920 R+15.8
Carroll 3,885 39.9% 5,017 51.5% 835 9,737 R+11.6
Buena Vista 3,468 35.8% 5,272 54.5% 936 9,676 R+18.6
Buchanan 3,605 38.3% 5,041 53.5% 776 9,422 R+15.2
Winneshiek 3,201 34.4% 5,033 54.1% 1,070 9,304 R+19.7
Clayton 3,297 35.8% 5,115 55.6% 794 9,206 R+19.7
Floyd 3,634 39.9% 4,665 51.2% 819 9,118 R+11.3
Poweshiek 3,529 38.8% 4,598 50.5% 975 9,102 R+11.7
Jones 3,521 39.5% 4,506 50.6% 886 8,913 R+11.1
Clay 3,179 36.3% 4,479 51.1% 1,106 8,764 R+14.8
Jackson 3,518 40.2% 4,479 51.2% 757 8,754 R+11.0
Tama 3,049 35.4% 4,840 56.3% 713 8,602 R+20.8
Henry 3,317 39.2% 4,430 52.4% 715 8,462 R+13.2
Hamilton 2,741 33.2% 4,745 57.4% 780 8,266 R+24.2
Cass 2,176 26.8% 5,391 66.3% 559 8,126 R+39.6
Crawford 2,500 31.2% 4,883 61.0% 619 8,002 R+29.8
Page 1,772 22.7% 5,618 71.9% 420 7,810 R+49.2
Cedar 2,589 33.2% 4,398 56.4% 810 7,797 R+23.2
Delaware 2,671 34.3% 4,316 55.4% 807 7,794 R+21.1
O'Brien 2,210 28.5% 4,937 63.6% 614 7,761 R+35.1
Washington 2,877 37.7% 3,967 52.0% 783 7,627 R+14.3
Iowa 2,606 34.6% 4,153 55.2% 763 7,522 R+20.6
Cherokee 2,719 36.3% 4,087 54.5% 694 7,500 R+18.2
Dickinson 2,620 35.2% 4,028 54.1% 794 7,442 R+18.9
Chickasaw 2,935 39.5% 3,929 52.9% 569 7,433 R+13.4
Jefferson 2,577 35.3% 4,099 56.2% 623 7,299 R+20.9
Butler 1,990 27.7% 4,730 65.9% 457 7,177 R+38.2
Wright 2,645 37.0% 3,936 55.1% 566 7,147 R+18.1
Harrison 2,152 30.5% 4,502 63.8% 399 7,053 R+33.3
Grundy 1,869 26.6% 4,644 66.1% 513 7,026 R+39.5
Appanoose 2,769 41.2% 3,544 52.7% 415 6,728 R+11.5
Allamakee 2,170 32.9% 4,000 60.7% 416 6,586 R+27.8
Winnebago 2,208 34.1% 3,808 58.8% 463 6,479 R+24.7
Shelby 1,892 29.2% 4,147 64.0% 438 6,477 R+34.8
Madison 2,496 38.9% 3,320 51.8% 595 6,411 R+12.9
Calhoun 2,150 34.0% 3,633 57.4% 545 6,328 R+23.4
Sac 1,976 31.5% 3,725 59.5% 563 6,264 R+27.9
Lyon 1,431 23.1% 4,349 70.1% 428 6,208 R+47.0
Hancock 1,918 31.5% 3,681 60.4% 493 6,092 R+28.9
Montgomery 1,556 25.7% 4,115 68.0% 383 6,054 R+42.3
Union 2,182 36.5% 3,372 56.4% 425 5,979 R+19.9
Keokuk 2,390 40.0% 3,145 52.6% 440 5,975 R+12.6
Palo Alto 2,463 41.3% 3,025 50.7% 480 5,968 R+9.4
Greene 2,210 37.2% 3,154 53.1% 575 5,939 R+15.9
Humboldt 1,840 31.2% 3,575 60.6% 484 5,899 R+29.4
Mitchell 2,040 34.8% 3,401 58.0% 423 5,864 R+23.2
Emmet 2,153 37.6% 3,062 53.5% 509 5,724 R+15.9
Pocahontas 1,959 34.5% 3,194 56.2% 533 5,686 R+21.7
Franklin 1,920 33.8% 3,290 57.9% 472 5,682 R+24.1
Howard 2,214 39.7% 2,975 53.4% 387 5,576 R+13.6
Guthrie 1,866 33.8% 3,214 58.3% 434 5,514 R+24.4
Monona 1,660 31.4% 3,268 61.8% 356 5,284 R+30.4
Mills 1,244 24.0% 3,581 69.1% 358 5,183 R+45.1
Lucas 1,989 40.4% 2,593 52.6% 347 4,929 R+12.3
Adair 1,454 31.0% 2,821 60.2% 414 4,689 R+29.2
Decatur 2,048 44.1% 2,212 47.7% 380 4,640 R+3.5
Louisa 1,700 37.1% 2,530 55.2% 354 4,584 R+18.1
Clarke 1,614 36.6% 2,417 54.9% 373 4,404 R+18.2
Ida 1,235 28.4% 2,825 64.9% 294 4,354 R+36.5
Audubon 1,546 35.5% 2,523 58.0% 284 4,353 R+22.4
Worth 1,721 39.9% 2,247 52.1% 342 4,310 R+12.2
Taylor 1,226 29.1% 2,715 64.4% 272 4,213 R+35.3
Fremont 1,203 29.1% 2,693 65.2% 235 4,131 R+36.1
Monroe 1,866 45.3% 2,003 48.7% 248 4,117 R+3.3
Wayne 1,627 39.6% 2,221 54.1% 256 4,104 R+14.5
Davis 1,689 43.0% 2,003 51.0% 238 3,930 R+8.0
Van Buren 1,311 35.6% 2,142 58.2% 227 3,680 R+22.6
Osceola 1,051 30.1% 2,177 62.4% 258 3,486 R+32.3
Ringgold 1,150 35.4% 1,884 58.0% 217 3,251 R+22.6
Adams 940 31.5% 1,779 59.6% 265 2,984 R+28.1

Counties as they stood in 1980; some have since been split, merged or renamed. 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