Iowa
99 counties and county-equivalents · presidential results 2000–2024
2024 marginRD
5 Democratic · 94 Republican
Biggest movers since 2000
| County | 2024 | Lean | Since 2000 | Votes |
|---|---|---|---|---|
| Adair | R+44.9 | R+44.2 | -30.6 | 4,080 |
| Adams | R+44.1 | R+43.4 | -29.6 | 2,135 |
| Allamakee | R+34.3 | R+33.3 | -26.2 | 7,318 |
| Appanoose | R+46.5 | R+45.7 | -37.3 | 6,484 |
| Audubon | R+38.3 | R+37.5 | -33.4 | 3,249 |
| Benton | R+33.1 | R+32.1 | -35.4 | 14,509 |
| Black Hawk | D+1.2 | D+2.7 | -9.1 | 62,906 |
| Boone | R+21.4 | R+20.4 | -25.2 | 15,403 |
| Bremer | R+22.1 | R+20.9 | -15.7 | 14,607 |
| Buchanan | R+28.1 | R+27.1 | -36.9 | 10,750 |
| Buena Vista | R+33.2 | R+32.1 | -17.7 | 7,537 |
| Butler | R+45.2 | R+44.4 | -27.0 | 8,046 |
| Calhoun | R+46.7 | R+45.7 | -32.0 | 5,097 |
| Carroll | R+41.8 | R+41.0 | -35.9 | 11,140 |
| Cass | R+40.6 | R+39.8 | -13.4 | 7,217 |
| Cedar | R+21.8 | R+20.6 | -20.0 | 10,644 |
| Cerro Gordo | R+11.6 | R+10.3 | -22.6 | 23,020 |
| Cherokee | R+45.6 | R+44.9 | -34.4 | 6,105 |
| Chickasaw | R+37.1 | R+36.1 | -43.3 | 6,239 |
| Clarke | R+41.9 | R+41.0 | -42.8 | 4,479 |
| Clay | R+43.1 | R+42.2 | -32.0 | 8,541 |
| Clayton | R+34.5 | R+33.4 | -35.2 | 9,400 |
| Clinton | R+18.8 | R+17.6 | -31.2 | 23,878 |
| Crawford | R+43.4 | R+42.4 | -31.6 | 6,545 |
| Dallas | R+4.7 | R+3.3 | +6.6 | 62,961 |
| Davis | R+54.4 | R+53.5 | -45.6 | 3,954 |
| Decatur | R+46.9 | R+46.3 | -39.3 | 3,739 |
| Delaware | R+39.5 | R+38.7 | -32.3 | 10,138 |
| Des Moines | R+15.0 | R+13.7 | -34.3 | 19,054 |
| Dickinson | R+39.9 | R+38.9 | -31.1 | 11,234 |
| Dubuque | R+8.6 | R+7.2 | -21.7 | 52,770 |
| Emmet | R+43.9 | R+43.0 | -38.6 | 4,798 |
| Fayette | R+30.4 | R+29.4 | -27.7 | 9,848 |
| Floyd | R+25.6 | R+24.6 | -33.0 | 7,650 |
| Franklin | R+41.6 | R+40.7 | -28.9 | 4,900 |
| Fremont | R+44.5 | R+43.7 | -25.8 | 3,795 |
| Greene | R+32.9 | R+31.9 | -31.7 | 4,881 |
| Grundy | R+41.7 | R+40.9 | -11.7 | 7,146 |
| Guthrie | R+37.8 | R+37.0 | -29.9 | 6,543 |
| Hamilton | R+33.2 | R+32.2 | -23.9 | 7,597 |
| Hancock | R+47.4 | R+46.5 | -32.5 | 5,939 |
| Hardin | R+38.3 | R+37.3 | -27.5 | 8,460 |
| Harrison | R+41.7 | R+41.0 | -20.7 | 7,959 |
| Henry | R+35.9 | R+35.0 | -27.6 | 9,600 |
| Howard | R+31.7 | R+30.7 | -41.6 | 4,850 |
| Humboldt | R+49.9 | R+49.1 | -29.8 | 5,083 |
| Ida | R+53.2 | R+52.5 | -35.4 | 3,655 |
| Iowa | R+27.7 | R+26.6 | -16.7 | 9,639 |
| Jackson | R+32.5 | R+31.4 | -44.3 | 10,801 |
| Jasper | R+27.5 | R+26.5 | -25.7 | 20,198 |
| Jefferson | R+6.8 | R+5.4 | +1.5 | 8,346 |
| Johnson | D+37.8 | D+40.1 | +13.7 | 86,644 |
| Jones | R+26.2 | R+25.2 | -30.1 | 10,980 |
| Keokuk | R+51.5 | R+50.6 | -41.7 | 5,150 |
| Kossuth | R+44.0 | R+43.2 | -35.0 | 8,397 |
| Lee | R+27.7 | R+26.9 | -46.9 | 16,198 |
| Linn | D+9.9 | D+11.6 | +2.7 | 122,959 |
| Louisa | R+40.9 | R+40.0 | -41.3 | 5,142 |
| Lucas | R+48.0 | R+47.3 | -38.9 | 4,646 |
| Lyon | R+69.6 | R+68.9 | -18.5 | 7,002 |
| Madison | R+38.5 | R+37.5 | -28.5 | 10,028 |
| Mahaska | R+51.4 | R+50.7 | -22.2 | 10,946 |
| Marion | R+37.6 | R+36.8 | -17.6 | 19,566 |
| Marshall | R+15.5 | R+14.3 | -11.0 | 17,270 |
| Mills | R+39.0 | R+38.0 | -8.7 | 8,253 |
| Mitchell | R+31.1 | R+30.1 | -34.6 | 5,771 |
| Monona | R+45.2 | R+44.4 | -38.8 | 4,637 |
| Monroe | R+50.5 | R+49.7 | -44.6 | 4,158 |
| Montgomery | R+39.0 | R+38.1 | -7.4 | 5,074 |
| Muscatine | R+14.9 | R+13.7 | -16.7 | 19,752 |
| O'Brien | R+60.7 | R+60.0 | -22.8 | 7,525 |
| Osceola | R+64.0 | R+63.5 | -24.3 | 3,229 |
| Page | R+42.2 | R+41.4 | -7.4 | 7,322 |
| Palo Alto | R+44.9 | R+44.0 | -43.1 | 4,982 |
| Plymouth | R+54.1 | R+53.4 | -25.0 | 13,971 |
| Pocahontas | R+53.9 | R+53.3 | -40.0 | 3,582 |
| Polk | D+10.8 | D+12.6 | +7.4 | 256,838 |
| Pottawattamie | R+19.9 | R+18.7 | -6.0 | 44,559 |
| Poweshiek | R+16.9 | R+15.7 | -13.1 | 10,013 |
| Ringgold | R+51.3 | R+50.4 | -45.0 | 2,686 |
| Sac | R+51.5 | R+50.6 | -36.1 | 5,460 |
| Scott | R+3.9 | R+2.4 | -6.3 | 90,133 |
| Shelby | R+42.9 | R+42.0 | -16.1 | 6,505 |
| Sioux | R+70.7 | R+70.4 | +0.4 | 19,001 |
| Story | D+10.3 | D+12.1 | +9.0 | 49,526 |
| Tama | R+26.8 | R+25.8 | -25.3 | 8,616 |
| Taylor | R+55.7 | R+54.8 | -36.8 | 3,081 |
| Union | R+36.1 | R+35.1 | -26.2 | 6,013 |
| Van Buren | R+55.4 | R+54.8 | -37.5 | 3,625 |
| Wapello | R+31.4 | R+30.4 | -43.7 | 14,583 |
| Warren | R+20.6 | R+19.5 | -18.4 | 32,804 |
| Washington | R+24.4 | R+23.2 | -12.4 | 11,588 |
| Wayne | R+57.1 | R+56.6 | -43.6 | 3,124 |
| Webster | R+31.1 | R+30.1 | -31.3 | 16,748 |
| Winnebago | R+30.6 | R+29.6 | -29.5 | 5,642 |
| Winneshiek | R+9.2 | R+7.9 | -3.8 | 11,979 |
| Woodbury | R+22.9 | R+21.8 | -18.0 | 42,921 |
| Worth | R+28.1 | R+27.1 | -40.6 | 4,287 |
| Wright | R+36.4 | R+35.5 | -25.4 | 5,723 |