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United States · Election results history · 2018 governors · Iowa
Election 2018 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.

2018 Iowa governor election

Kim Reynolds (Republican) beat Fred Hubbell (Democrat) in Iowa in 2018, 50.3% to 47.5%, a margin of 2.7 points and 36,289 votes.

The Republican hold continued from 2014, when Terry E. Branstad won.

Republicans led in 88 of the 99 counties and Democrats in 11. The largest, Polk, cast 206,881 votes and went to the Democrat by 18.3 points. The closest was Winneshiek, where 56 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.

Governor

CandidatePartyVotesShare
Kim Reynolds won Republican 667,275 50.3%
Fred Hubbell Democratic 630,986 47.5%
All other candidates 29,377 2.2%
Total1,327,638

Every county

CountyDemocratRepublicanOthersTotalMargin
Polk 120,257 58.1% 82,473 39.9% 4,151 206,881 D+18.3
Linn 56,767 55.6% 42,449 41.6% 2,886 102,102 D+14.0
Scott 35,147 50.8% 32,750 47.3% 1,358 69,255 D+3.5
Johnson 48,758 71.6% 18,119 26.6% 1,230 68,107 D+45.0
Black Hawk 29,259 54.9% 22,786 42.8% 1,213 53,258 D+12.2
Story 25,155 58.7% 16,535 38.6% 1,134 42,824 D+20.1
Dubuque 21,108 49.4% 20,532 48.0% 1,120 42,760 D+1.3
Dallas 19,804 47.4% 21,189 50.8% 751 41,744 R+3.3
Woodbury 15,024 42.4% 19,630 55.4% 776 35,430 R+13.0
Pottawattamie 14,234 41.7% 19,036 55.8% 859 34,129 R+14.1
Warren 10,942 45.1% 12,801 52.8% 518 24,261 R+7.7
Cerro Gordo 9,011 47.3% 9,651 50.7% 378 19,040 R+3.4
Clinton 9,047 49.6% 8,847 48.5% 330 18,224 D+1.1
Jasper 7,234 45.4% 8,377 52.6% 324 15,935 R+7.2
Des Moines 8,038 53.0% 6,827 45.1% 287 15,152 D+8.0
Marion 5,249 34.9% 9,479 63.0% 323 15,051 R+28.1
Muscatine 7,081 47.3% 7,535 50.3% 365 14,981 R+3.0
Sioux 1,955 13.1% 12,840 85.9% 147 14,942 R+72.8
Marshall 7,095 48.4% 7,243 49.4% 314 14,652 R+1.0
Webster 6,132 43.3% 7,727 54.6% 290 14,149 R+11.3
Lee 6,387 50.5% 5,973 47.3% 278 12,638 D+3.3
Boone 5,810 47.6% 6,107 50.1% 284 12,201 R+2.4
Wapello 5,480 45.4% 6,313 52.4% 265 12,058 R+6.9
Benton 4,482 38.5% 6,845 58.9% 302 11,629 R+20.3
Bremer 4,999 43.7% 6,220 54.3% 231 11,450 R+10.7
Plymouth 2,717 25.1% 7,941 73.3% 171 10,829 R+48.2
Winneshiek 4,785 48.5% 4,841 49.0% 247 9,873 R+0.6
Washington 3,746 40.9% 5,189 56.6% 227 9,162 R+15.7
Carroll 3,186 35.3% 5,676 62.9% 165 9,027 R+27.6
Dickinson 3,134 35.4% 5,564 62.9% 145 8,843 R+27.5
Jones 3,650 42.4% 4,752 55.2% 201 8,603 R+12.8
Mahaska 2,409 28.0% 6,007 69.9% 180 8,596 R+41.9
Jackson 3,582 41.7% 4,744 55.2% 263 8,589 R+13.5
Buchanan 3,865 45.5% 4,400 51.8% 228 8,493 R+6.3
Poweshiek 3,998 48.1% 4,160 50.0% 157 8,315 R+1.9
Fayette 3,446 41.9% 4,528 55.0% 257 8,231 R+13.1
Cedar 3,518 43.3% 4,409 54.3% 191 8,118 R+11.0
Clayton 2,978 37.6% 4,512 57.0% 432 7,922 R+19.4
Delaware 2,667 34.8% 4,779 62.3% 227 7,673 R+27.5
Madison 2,739 35.8% 4,754 62.1% 165 7,658 R+26.3
Iowa 2,966 38.8% 4,499 58.8% 183 7,648 R+20.0
Henry 2,996 40.2% 4,284 57.5% 166 7,446 R+17.3
Kossuth 2,588 35.1% 4,642 63.0% 135 7,365 R+27.9
Tama 3,238 44.2% 3,931 53.6% 159 7,328 R+9.5
Hardin 2,689 37.1% 4,407 60.8% 154 7,250 R+23.7
Jefferson 3,750 53.0% 3,146 44.5% 180 7,076 D+8.5
Clay 2,417 35.0% 4,364 63.1% 134 6,915 R+28.2
Buena Vista 2,649 40.4% 3,771 57.4% 145 6,565 R+17.1
Hamilton 2,560 40.1% 3,703 58.0% 123 6,386 R+17.9
Mills 2,191 34.6% 3,945 62.4% 189 6,325 R+27.7
Floyd 2,812 44.5% 3,366 53.3% 140 6,318 R+8.8
Butler 2,064 33.5% 3,952 64.2% 140 6,156 R+30.7
Harrison 1,912 31.9% 3,931 65.5% 157 6,000 R+33.7
O'Brien 1,296 22.2% 4,472 76.4% 83 5,851 R+54.3
Cass 1,886 32.4% 3,813 65.6% 116 5,815 R+33.1
Grundy 1,875 32.5% 3,785 65.7% 104 5,764 R+33.1
Allamakee 2,165 38.1% 3,326 58.6% 189 5,680 R+20.4
Page 1,839 32.6% 3,702 65.7% 94 5,635 R+33.1
Crawford 1,735 32.0% 3,579 66.0% 108 5,422 R+34.0
Chickasaw 2,103 40.1% 3,021 57.6% 125 5,249 R+17.5
Lyon 853 16.4% 4,281 82.5% 53 5,187 R+66.1
Cherokee 1,715 33.3% 3,327 64.5% 114 5,156 R+31.3
Shelby 1,450 28.6% 3,537 69.8% 82 5,069 R+41.2
Appanoose 1,834 36.3% 3,101 61.4% 114 5,049 R+25.1
Guthrie 1,738 34.5% 3,169 62.9% 130 5,037 R+28.4
Wright 1,788 36.1% 3,049 61.6% 110 4,947 R+25.5
Union 1,835 37.5% 2,949 60.2% 112 4,896 R+22.8
Hancock 1,464 30.4% 3,257 67.5% 102 4,823 R+37.2
Winnebago 1,788 38.6% 2,726 58.9% 118 4,632 R+20.3
Mitchell 1,704 37.6% 2,711 59.9% 112 4,527 R+22.2
Calhoun 1,464 34.0% 2,710 62.9% 136 4,310 R+28.9
Sac 1,253 29.1% 2,965 68.8% 92 4,310 R+39.7
Franklin 1,379 33.6% 2,647 64.4% 83 4,109 R+30.9
Greene 1,675 40.9% 2,326 56.8% 97 4,098 R+15.9
Humboldt 1,200 29.4% 2,797 68.5% 89 4,086 R+39.1
Keokuk 1,294 31.7% 2,716 66.5% 75 4,085 R+34.8
Montgomery 1,220 30.8% 2,648 66.8% 98 3,966 R+36.0
Louisa 1,469 38.4% 2,288 59.8% 71 3,828 R+21.4
Monona 1,171 30.8% 2,556 67.3% 70 3,797 R+36.5
Palo Alto 1,398 36.9% 2,320 61.2% 70 3,788 R+24.3
Emmet 1,383 36.7% 2,298 61.0% 88 3,769 R+24.3
Clarke 1,280 34.5% 2,341 63.2% 85 3,706 R+28.6
Howard 1,422 39.3% 2,050 56.6% 150 3,622 R+17.3
Lucas 1,172 32.7% 2,335 65.2% 75 3,582 R+32.5
Worth 1,382 39.1% 2,043 57.8% 108 3,533 R+18.7
Adair 1,167 33.9% 2,213 64.3% 64 3,444 R+30.4
Monroe 1,061 33.6% 2,053 64.9% 47 3,161 R+31.4
Davis 1,002 31.9% 2,070 65.9% 69 3,141 R+34.0
Pocahontas 962 30.8% 2,091 66.9% 72 3,125 R+36.1
Fremont 992 32.9% 1,956 64.9% 64 3,012 R+32.0
Decatur 1,008 34.1% 1,872 63.3% 76 2,956 R+29.2
Ida 713 24.2% 2,196 74.5% 39 2,948 R+50.3
Van Buren 839 28.7% 2,026 69.3% 57 2,922 R+40.6
Audubon 990 36.7% 1,658 61.5% 46 2,694 R+24.8
Taylor 759 31.0% 1,632 66.7% 54 2,445 R+35.7
Osceola 481 19.8% 1,922 79.1% 28 2,431 R+59.3
Wayne 722 30.0% 1,624 67.5% 59 2,405 R+37.5
Ringgold 804 34.7% 1,476 63.7% 36 2,316 R+29.0
Adams 549 31.4% 1,160 66.4% 38 1,747 R+35.0

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Iowa governor elections we hold

YearWinnerMargin
2022 Kim Reynolds (R) R+18.5
2018 Kim Reynolds (R) R+2.7
2014 Terry E. Branstad (R) R+21.7
2010 Terry E. Branstad (R) R+9.6
2006 Chet Culver (D) D+9.6
2002 Tom Vilsack (D) D+8.2
1998 Tom Vilsack (D) D+5.8
1994 Terry E. Branstad (R) R+15.2
1990 Terry E. Branstad (R) R+21.8
1986 Terry E. Branstad (R) R+3.9
1982 Terry E. Branstad (R) R+6.3
1978 Robert E. Ray (R) R+17.3
1974 Robert E. Ray (R) R+17.1
1972 Robert E. Ray (R) R+18.2
1970 Robert E. Ray (R) R+4.4
1968 Robert E. Ray (R) R+8.2
1966 Harold E. Hughes (D) D+11.2
1964 Harold E. Hughes (D) D+36.8
1962 Harold E. Hughes (D) D+5.1
1960 Norman A. Erbe (R) R+4.3
1958 Herschel C. Loveless (D) D+8.3
1956 Herschel C. Loveless (D) D+2.4
1954 Leo A. Hoegh (R) R+3.0
1952 William Beardsley (R) R+4.1
1950 William Beardsley (R) R+18.6
1948 William Beardsley (R) R+12.0
1946 Robert D. Blue (R) R+15.3
1944 Robert D. Blue (R) R+12.4
1942 Bourke B. Hickenlooper (R) R+25.8
1940 George Wilson (R) R+5.7
1938 George Wilson (R) R+7.0
1936 Nelson G. Kraschel (D) D+0.2
1934 Clyde L. Herring (D) D+8.2
1932 Clyde LaVerne Herring (D) D+5.5
1930 Dan W. Turner (R) R+32.1
1928 John Hammill (R) R+25.6
1926 John Hammill (R) R+42.9
1924 John Hammill (R) R+45.4
1922 Nathan E. Kendall (R) R+41.1
1920 Nathan E. Kendall (R) R+20.0
1918 William L. Harding (R) R+3.6
1916 William L. Harding (R) R+24.6
1914 George W. Clarke (R) R+6.4
1912 George W. Clarke (R) R+0.4
1910 Beryl F. Carroll (R) R+4.4
1908 Beryl F. Carroll (R) R+12.8
1906 Albert B. Cummins (R) R+4.8
1903 Albert B. Cummins (R) R+18.9
1901 Albert B. Cummins (R) R+21.3
1899 Leslie M. Shaw (R) R+13.0
1897 Leslie M. Shaw (R) R+6.8
1895 Francis M. Drake (R) R+14.8
1893 Frank D. Jackson (R) R+7.7
1891 Horace Boies (D) D+2.0
1889 Horace Boies (D) D+1.8
1887 William Larrabee (R) R+4.7
1885 William Larrabee (R) R+2.0
1883 Buren R. Sherman (R) R+7.4
1881 Buren R. Sherman (R) R+25.5
1879 John Henry Gear (R) R+24.7
1877 John Henry Gear (R) R+17.1
1875 Samuel Jordan Kirkwood (R) R+14.4
1873 Cyrus Clay Carpenter (R) R+56.0
1871 Cyrus Clay Carpenter (R) R+23.2
1869 Samuel Merrill (R) R+25.9
1867 Samuel Merrill (R) R+17.8
1865 William M. Stone (R) R+13.1