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All states · 2026 elections

Iowa

6 races on the Nov. 3 ballot: U.S. Senate, governor, 4 U.S. House seats. Polls close at 9 pm Eastern. 5 races are likely to change parties.

Statewide

U.S. House

Iowa U.S. House races
RaceRatingLast 30 daysNon-Republican sideRepublican sideProjected marginPolls
Iowa District 1Likely D
Likely flip · R → D
Christina Bohannan
90 in 100
Mariannette Miller-Meeks
10 in 100
Bohannan +5.01
Iowa District 2Likely D
Likely flip · R → D
Lindsay James
77 in 100
Joe Mitchell
23 in 100
James +2.91
Iowa District 3Likely D
Likely flip · R → D
Sarah Trone Garriott
78 in 100
Zach Nunn
22 in 100
Garriott +4.3none
Iowa District 4Solid R—David Dawson
<1 in 100
Chris McGowan
>99 in 100
McGowan +20.4none

County map

Iowa’s counties, colored by the 2024 presidential vote.

Black Hawk County, 2024 president: Democratic +1.2 (62,653 votes)Hancock County, 2024 president: Republican +47.4 (5,933 votes)Wapello County, 2024 president: Republican +31.5 (14,571 votes)Cedar County, 2024 president: Republican +21.8 (10,624 votes)Howard County, 2024 president: Republican +31.8 (4,837 votes)Warren County, 2024 president: Republican +20.7 (32,662 votes)Wayne County, 2024 president: Republican +57.2 (3,119 votes)Marshall County, 2024 president: Republican +15.6 (17,217 votes)Franklin County, 2024 president: Republican +41.7 (4,885 votes)Delaware County, 2024 president: Republican +39.6 (10,112 votes)Buchanan County, 2024 president: Republican +28.2 (10,714 votes)Webster County, 2024 president: Republican +31.2 (16,706 votes)Boone County, 2024 president: Republican +21.5 (15,346 votes)Ringgold County, 2024 president: Republican +51.3 (2,683 votes)Shelby County, 2024 president: Republican +43.0 (6,486 votes)Union County, 2024 president: Republican +36.2 (5,996 votes)Adams County, 2024 president: Republican +44.2 (2,131 votes)Mahaska County, 2024 president: Republican +51.6 (10,910 votes)Adair County, 2024 president: Republican +45.0 (4,064 votes)Hamilton County, 2024 president: Republican +33.3 (7,573 votes)Hardin County, 2024 president: Republican +38.4 (8,434 votes)Ida County, 2024 president: Republican +53.4 (3,642 votes)Marion County, 2024 president: Republican +37.8 (19,490 votes)Poweshiek County, 2024 president: Republican +17.0 (9,971 votes)Polk County, 2024 president: Democratic +10.9 (255,563 votes)Madison County, 2024 president: Republican +38.6 (9,995 votes)Van Buren County, 2024 president: Republican +55.4 (3,622 votes)Henry County, 2024 president: Republican +36.0 (9,574 votes)Cerro Gordo County, 2024 president: Republican +11.6 (22,942 votes)Wright County, 2024 president: Republican +36.5 (5,706 votes)Jones County, 2024 president: Republican +26.3 (10,949 votes)Carroll County, 2024 president: Republican +41.9 (11,120 votes)Greene County, 2024 president: Republican +33.0 (4,874 votes)Emmet County, 2024 president: Republican +44.0 (4,786 votes)Mitchell County, 2024 president: Republican +31.1 (5,757 votes)Montgomery County, 2024 president: Republican +39.1 (5,061 votes)Bremer County, 2024 president: Republican +22.2 (14,556 votes)Washington County, 2024 president: Republican +24.4 (11,551 votes)O'Brien County, 2024 president: Republican +60.9 (7,501 votes)Pocahontas County, 2024 president: Republican +54.0 (3,573 votes)Davis County, 2024 president: Republican +54.4 (3,950 votes)Crawford County, 2024 president: Republican +43.5 (6,525 votes)Grundy County, 2024 president: Republican +41.8 (7,131 votes)Audubon County, 2024 president: Republican +38.4 (3,239 votes)Linn County, 2024 president: Democratic +9.9 (122,369 votes)Keokuk County, 2024 president: Republican +51.5 (5,142 votes)Sac County, 2024 president: Republican +51.6 (5,448 votes)Woodbury County, 2024 president: Republican +23.0 (42,674 votes)Pottawattamie County, 2024 president: Republican +20.0 (44,411 votes)Muscatine County, 2024 president: Republican +14.9 (19,695 votes)Mills County, 2024 president: Republican +39.1 (8,223 votes)Osceola County, 2024 president: Republican +64.2 (3,219 votes)Fayette County, 2024 president: Republican +30.5 (9,817 votes)Jasper County, 2024 president: Republican +27.6 (20,149 votes)Des Moines County, 2024 president: Republican +15.0 (18,998 votes)Story County, 2024 president: Democratic +10.4 (49,200 votes)Plymouth County, 2024 president: Republican +54.2 (13,931 votes)Appanoose County, 2024 president: Republican +46.7 (6,466 votes)Dubuque County, 2024 president: Republican +8.6 (52,566 votes)Fremont County, 2024 president: Republican +44.6 (3,785 votes)Decatur County, 2024 president: Republican +47.1 (3,727 votes)Winneshiek County, 2024 president: Republican +9.3 (11,927 votes)Clay County, 2024 president: Republican +43.2 (8,514 votes)Johnson County, 2024 president: Democratic +38.1 (86,068 votes)Lucas County, 2024 president: Republican +48.1 (4,639 votes)Monroe County, 2024 president: Republican +50.7 (4,146 votes)Iowa County, 2024 president: Republican +27.7 (9,617 votes)Benton County, 2024 president: Republican +33.2 (14,470 votes)Kossuth County, 2024 president: Republican +44.2 (8,376 votes)Scott County, 2024 president: Republican +3.9 (89,743 votes)Harrison County, 2024 president: Republican +41.8 (7,938 votes)Louisa County, 2024 president: Republican +41.0 (5,136 votes)Page County, 2024 president: Republican +42.4 (7,297 votes)Clayton County, 2024 president: Republican +34.5 (9,381 votes)Humboldt County, 2024 president: Republican +50.0 (5,067 votes)Jefferson County, 2024 president: Republican +6.8 (8,317 votes)Sioux County, 2024 president: Republican +71.1 (18,881 votes)Dallas County, 2024 president: Republican +4.7 (62,633 votes)Cass County, 2024 president: Republican +40.7 (7,195 votes)Clarke County, 2024 president: Republican +42.0 (4,459 votes)Monona County, 2024 president: Republican +45.4 (4,616 votes)Calhoun County, 2024 president: Republican +46.7 (5,093 votes)Jackson County, 2024 president: Republican +32.5 (10,782 votes)Chickasaw County, 2024 president: Republican +37.2 (6,230 votes)Guthrie County, 2024 president: Republican +37.9 (6,514 votes)Winnebago County, 2024 president: Republican +30.7 (5,627 votes)Dickinson County, 2024 president: Republican +40.0 (11,192 votes)Lee County, 2024 president: Republican +27.8 (16,154 votes)Taylor County, 2024 president: Republican +55.7 (3,078 votes)Butler County, 2024 president: Republican +45.3 (8,027 votes)Floyd County, 2024 president: Republican +25.7 (7,625 votes)Worth County, 2024 president: Republican +28.2 (4,278 votes)Cherokee County, 2024 president: Republican +45.8 (6,089 votes)Palo Alto County, 2024 president: Republican +45.0 (4,976 votes)Tama County, 2024 president: Republican +26.9 (8,594 votes)Buena Vista County, 2024 president: Republican +33.3 (7,516 votes)Lyon County, 2024 president: Republican +69.8 (6,984 votes)Allamakee County, 2024 president: Republican +34.3 (7,303 votes)Clinton County, 2024 president: Republican +18.9 (23,813 votes)
Color shows the 2024 presidential margin in each county. Hover or tap a county for its numbers.

2024 results: Fox News 2024 county results, compiled by Tony McGovern (github.com/tonmcg/US_County_Level_Election_Results_08-24). Not authoritative.

Also: find the races on your ballot by ZIP code · election-night schedule. Odds are the share of simulations each side wins.