Iowa 2020 vs 2024: county swing
98 of 99 counties moved toward the Republican ticket; 1 changed hands.
| County | 2020 | 2024 | Swing | Votes 2020 | Votes 2024 |
|---|---|---|---|---|---|
| Clinton County | R+10.3 | R+18.8 | R+8.5 | 24,638 | 23,813 |
| Lee County | R+19.3 | R+27.8 | R+8.5 | 16,699 | 16,154 |
| Emmet County | R+36.0 | R+44.0 | R+8.0 | 4,850 | 4,786 |
| Black Hawk County | D+9.1 | D+1.2 | R+7.9 | 66,420 | 62,653 |
| Marshall County | R+7.7 | R+15.6 | R+7.9 | 18,097 | 17,217 |
| Wapello County | R+23.6 | R+31.5 | R+7.9 | 15,613 | 14,571 |
| Muscatine County | R+7.1 | R+14.9 | R+7.8 | 20,629 | 19,695 |
| Decatur County | R+39.3 | R+47.0 | R+7.7 | 3,801 | 3,727 |
| Fayette County | R+22.7 | R+30.4 | R+7.7 | 10,157 | 9,817 |
| Louisa County | R+33.3 | R+41.0 | R+7.7 | 5,326 | 5,136 |
| Tama County | R+19.2 | R+26.9 | R+7.7 | 9,026 | 8,594 |
| Palo Alto County | R+37.4 | R+45.0 | R+7.6 | 4,950 | 4,976 |
| Buena Vista County | R+25.7 | R+33.2 | R+7.5 | 8,149 | 7,516 |
| Woodbury County | R+15.6 | R+23.1 | R+7.5 | 45,172 | 42,674 |
| Scott County flipped | D+3.5 | R+3.9 | R+7.4 | 92,324 | 89,743 |
| Buchanan County | R+20.9 | R+28.2 | R+7.3 | 10,764 | 10,714 |
| Story County | D+17.4 | D+10.4 | R+7.0 | 50,837 | 49,200 |
| Butler County | R+38.6 | R+45.4 | R+6.8 | 8,084 | 8,027 |
| Webster County | R+24.3 | R+31.1 | R+6.8 | 17,790 | 16,706 |
| Crawford County | R+36.8 | R+43.5 | R+6.7 | 7,146 | 6,525 |
| Franklin County | R+35.0 | R+41.7 | R+6.7 | 5,119 | 4,885 |
| Hamilton County | R+26.7 | R+33.3 | R+6.6 | 7,917 | 7,573 |
| Des Moines County | R+8.5 | R+15.0 | R+6.5 | 19,906 | 18,998 |
| Cherokee County | R+39.3 | R+45.7 | R+6.4 | 6,503 | 6,089 |
| Dickinson County | R+33.6 | R+40.0 | R+6.4 | 11,230 | 11,192 |
| Hardin County | R+32.0 | R+38.4 | R+6.4 | 8,975 | 8,434 |
| Keokuk County | R+45.1 | R+51.5 | R+6.4 | 5,291 | 5,142 |
| Appanoose County | R+40.3 | R+46.6 | R+6.3 | 6,506 | 6,466 |
| Floyd County | R+19.4 | R+25.7 | R+6.3 | 8,017 | 7,625 |
| Jackson County | R+26.2 | R+32.5 | R+6.3 | 11,118 | 10,782 |
| Monona County | R+39.1 | R+45.4 | R+6.3 | 4,714 | 4,616 |
| Bremer County | R+16.1 | R+22.1 | R+6.0 | 14,516 | 14,556 |
| Clarke County | R+36.0 | R+42.0 | R+6.0 | 4,661 | 4,459 |
| Jasper County | R+21.6 | R+27.6 | R+6.0 | 20,143 | 20,149 |
| Boone County | R+15.6 | R+21.5 | R+5.9 | 15,306 | 15,346 |
| Chickasaw County | R+31.4 | R+37.2 | R+5.8 | 6,617 | 6,230 |
| Benton County | R+27.5 | R+33.2 | R+5.7 | 14,622 | 14,470 |
| Clayton County | R+28.8 | R+34.5 | R+5.7 | 9,581 | 9,381 |
| Dubuque County | R+2.9 | R+8.6 | R+5.7 | 53,782 | 52,566 |
| Jefferson County | R+1.4 | R+6.8 | R+5.4 | 8,926 | 8,317 |
| Cerro Gordo County | R+6.3 | R+11.6 | R+5.3 | 23,744 | 22,942 |
| Humboldt County | R+44.7 | R+50.0 | R+5.3 | 5,321 | 5,067 |
| Johnson County | D+43.4 | D+38.1 | R+5.3 | 83,570 | 86,068 |
| Wayne County | R+51.9 | R+57.2 | R+5.3 | 3,103 | 3,119 |
| Allamakee County | R+29.2 | R+34.3 | R+5.1 | 7,413 | 7,303 |
| Davis County | R+49.3 | R+54.4 | R+5.1 | 4,099 | 3,950 |
| Jones County | R+21.5 | R+26.3 | R+4.8 | 10,965 | 10,949 |
| Lucas County | R+43.3 | R+48.1 | R+4.8 | 4,622 | 4,639 |
| Plymouth County | R+49.4 | R+54.2 | R+4.8 | 14,165 | 13,931 |
| Ringgold County | R+46.5 | R+51.3 | R+4.8 | 2,708 | 2,683 |
| Kossuth County | R+39.4 | R+44.1 | R+4.7 | 9,077 | 8,376 |
| Cedar County | R+17.1 | R+21.7 | R+4.6 | 10,680 | 10,624 |
| Howard County | R+27.3 | R+31.8 | R+4.5 | 4,952 | 4,837 |
| Union County | R+31.6 | R+36.1 | R+4.5 | 6,171 | 5,996 |
| Calhoun County | R+42.3 | R+46.7 | R+4.4 | 5,249 | 5,093 |
| Delaware County | R+35.2 | R+39.6 | R+4.4 | 9,981 | 10,112 |
| Pocahontas County | R+49.6 | R+54.0 | R+4.4 | 3,817 | 3,573 |
| Polk County | D+15.3 | D+10.9 | R+4.4 | 257,991 | 255,563 |
| Clay County | R+38.9 | R+43.2 | R+4.3 | 8,948 | 8,514 |
| Grundy County | R+37.5 | R+41.8 | R+4.3 | 7,260 | 7,131 |
| Monroe County | R+46.4 | R+50.7 | R+4.3 | 4,085 | 4,146 |
| Sioux County | R+66.8 | R+71.1 | R+4.3 | 18,956 | 18,881 |
| Winnebago County | R+26.4 | R+30.7 | R+4.3 | 5,951 | 5,627 |
| Greene County | R+28.8 | R+33.0 | R+4.2 | 5,051 | 4,874 |
| Madison County | R+34.4 | R+38.6 | R+4.2 | 9,806 | 9,995 |
| Winneshiek County | R+5.1 | R+9.3 | R+4.2 | 12,036 | 11,927 |
| Carroll County | R+37.8 | R+41.9 | R+4.1 | 11,306 | 11,120 |
| Mahaska County | R+47.5 | R+51.6 | R+4.1 | 11,381 | 10,910 |
| O'Brien County | R+56.9 | R+61.0 | R+4.1 | 7,541 | 7,501 |
| Marion County | R+33.8 | R+37.8 | R+4.0 | 19,173 | 19,490 |
| Warren County | R+16.8 | R+20.8 | R+4.0 | 30,953 | 32,662 |
| Adair County | R+41.2 | R+45.1 | R+3.9 | 4,172 | 4,064 |
| Linn County | D+13.8 | D+9.9 | R+3.9 | 127,078 | 122,369 |
| Washington County | R+20.6 | R+24.4 | R+3.8 | 11,745 | 11,551 |
| Henry County | R+32.4 | R+36.0 | R+3.6 | 9,964 | 9,574 |
| Poweshiek County | R+13.4 | R+16.9 | R+3.5 | 10,124 | 9,971 |
| Hancock County | R+44.0 | R+47.4 | R+3.4 | 6,161 | 5,933 |
| Harrison County | R+38.4 | R+41.8 | R+3.4 | 8,144 | 7,938 |
| Mitchell County | R+27.9 | R+31.1 | R+3.2 | 5,815 | 5,757 |
| Pottawattamie County | R+16.8 | R+20.0 | R+3.2 | 45,639 | 44,411 |
| Sac County | R+48.4 | R+51.6 | R+3.2 | 5,527 | 5,448 |
| Van Buren County | R+52.5 | R+55.4 | R+2.9 | 3,780 | 3,622 |
| Dallas County | R+2.0 | R+4.8 | R+2.8 | 55,847 | 62,633 |
| Taylor County | R+53.0 | R+55.8 | R+2.8 | 3,242 | 3,078 |
| Audubon County | R+35.8 | R+38.5 | R+2.7 | 3,416 | 3,239 |
| Cass County | R+38.1 | R+40.7 | R+2.6 | 7,266 | 7,195 |
| Shelby County | R+40.4 | R+43.0 | R+2.6 | 6,781 | 6,486 |
| Ida County | R+51.0 | R+53.4 | R+2.4 | 3,844 | 3,642 |
| Iowa County | R+25.3 | R+27.7 | R+2.4 | 9,716 | 9,617 |
| Worth County | R+25.8 | R+28.2 | R+2.4 | 4,414 | 4,278 |
| Fremont County | R+42.4 | R+44.6 | R+2.2 | 3,851 | 3,785 |
| Lyon County | R+67.7 | R+69.9 | R+2.2 | 6,852 | 6,984 |
| Wright County | R+34.3 | R+36.5 | R+2.2 | 6,242 | 5,706 |
| Guthrie County | R+35.9 | R+38.0 | R+2.1 | 6,363 | 6,514 |
| Mills County | R+37.4 | R+39.1 | R+1.7 | 8,237 | 8,223 |
| Osceola County | R+62.9 | R+64.3 | R+1.4 | 3,323 | 3,219 |
| Adams County | R+43.6 | R+44.2 | R+0.6 | 2,155 | 2,131 |
| Montgomery County | R+39.0 | R+39.1 | R+0.1 | 5,320 | 5,061 |
| Page County | R+43.0 | R+42.4 | D+0.6 | 7,519 | 7,297 |
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data