Iowa 2012 vs 2024: county swing
97 of 99 counties moved toward the Republican ticket; 33 changed hands.
| County | 2012 | 2024 | Swing | Votes 2012 | Votes 2024 |
|---|---|---|---|---|---|
| Howard County flipped | D+21.0 | R+31.8 | R+52.8 | 4,645 | 4,837 |
| Jackson County flipped | D+16.9 | R+32.5 | R+49.4 | 10,242 | 10,782 |
| Chickasaw County flipped | D+11.1 | R+37.2 | R+48.3 | 6,484 | 6,230 |
| Wayne County | R+11.5 | R+57.2 | R+45.7 | 2,900 | 3,119 |
| Ringgold County | R+7.0 | R+51.3 | R+44.3 | 2,599 | 2,683 |
| Clarke County flipped | D+1.5 | R+42.0 | R+43.5 | 4,430 | 4,459 |
| Appanoose County | R+3.3 | R+46.6 | R+43.3 | 6,245 | 6,466 |
| Lee County flipped | D+15.5 | R+27.8 | R+43.3 | 18,911 | 16,154 |
| Wapello County flipped | D+11.8 | R+31.5 | R+43.3 | 15,770 | 14,571 |
| Monroe County | R+7.7 | R+50.7 | R+43.0 | 3,830 | 4,146 |
| Decatur County | R+4.1 | R+47.0 | R+42.9 | 3,833 | 3,727 |
| Worth County flipped | D+14.5 | R+28.2 | R+42.7 | 4,172 | 4,278 |
| Fayette County flipped | D+12.0 | R+30.4 | R+42.4 | 10,366 | 9,817 |
| Buchanan County flipped | D+13.9 | R+28.2 | R+42.1 | 10,535 | 10,714 |
| Lucas County | R+6.1 | R+48.1 | R+42.0 | 4,323 | 4,639 |
| Clinton County flipped | D+22.9 | R+18.8 | R+41.7 | 25,000 | 23,813 |
| Louisa County flipped | D+0.7 | R+41.0 | R+41.7 | 4,968 | 5,136 |
| Taylor County | R+14.1 | R+55.8 | R+41.7 | 2,995 | 3,078 |
| Clayton County flipped | D+7.0 | R+34.5 | R+41.5 | 9,138 | 9,381 |
| Keokuk County | R+10.3 | R+51.5 | R+41.2 | 5,266 | 5,142 |
| Adams County | R+3.7 | R+44.2 | R+40.5 | 2,185 | 2,131 |
| Floyd County flipped | D+14.7 | R+25.7 | R+40.4 | 8,257 | 7,625 |
| Union County flipped | D+3.9 | R+36.1 | R+40.0 | 5,957 | 5,996 |
| Delaware County | R+0.2 | R+39.6 | R+39.4 | 9,378 | 10,112 |
| Allamakee County flipped | D+4.1 | R+34.3 | R+38.4 | 6,934 | 7,303 |
| Davis County | R+16.4 | R+54.4 | R+38.0 | 3,773 | 3,950 |
| Adair County | R+8.1 | R+45.1 | R+37.0 | 3,996 | 4,064 |
| Van Buren County | R+18.5 | R+55.4 | R+36.9 | 3,569 | 3,622 |
| Webster County flipped | D+5.8 | R+31.1 | R+36.9 | 18,292 | 16,706 |
| Monona County | R+9.6 | R+45.4 | R+35.8 | 4,742 | 4,616 |
| Carroll County | R+6.2 | R+41.9 | R+35.7 | 10,674 | 11,120 |
| Crawford County | R+7.8 | R+43.5 | R+35.7 | 6,752 | 6,525 |
| Fremont County | R+9.2 | R+44.6 | R+35.4 | 3,668 | 3,785 |
| Emmet County | R+8.7 | R+44.0 | R+35.3 | 4,687 | 4,786 |
| Butler County | R+10.3 | R+45.4 | R+35.1 | 7,545 | 8,027 |
| Jasper County flipped | D+7.1 | R+27.6 | R+34.7 | 19,515 | 20,149 |
| Mitchell County flipped | D+3.4 | R+31.1 | R+34.5 | 5,586 | 5,757 |
| Palo Alto County | R+10.6 | R+45.0 | R+34.4 | 4,887 | 4,976 |
| Tama County flipped | D+7.5 | R+26.9 | R+34.4 | 9,017 | 8,594 |
| Calhoun County | R+12.5 | R+46.7 | R+34.2 | 5,230 | 5,093 |
| Jones County flipped | D+7.8 | R+26.3 | R+34.1 | 10,449 | 10,949 |
| Hancock County | R+13.5 | R+47.4 | R+33.9 | 5,925 | 5,933 |
| Des Moines County flipped | D+18.4 | R+15.0 | R+33.4 | 20,385 | 18,998 |
| Sac County | R+18.4 | R+51.6 | R+33.2 | 5,291 | 5,448 |
| Audubon County | R+5.5 | R+38.5 | R+33.0 | 3,457 | 3,239 |
| Greene County | R+0.1 | R+33.0 | R+32.9 | 4,846 | 4,874 |
| Benton County | R+0.6 | R+33.2 | R+32.6 | 14,023 | 14,470 |
| Pocahontas County | R+21.6 | R+54.0 | R+32.4 | 4,032 | 3,573 |
| Kossuth County | R+12.2 | R+44.1 | R+31.9 | 8,923 | 8,376 |
| Hardin County | R+6.7 | R+38.4 | R+31.7 | 8,898 | 8,434 |
| Mahaska County | R+20.5 | R+51.6 | R+31.1 | 10,883 | 10,910 |
| Franklin County | R+10.7 | R+41.7 | R+31.0 | 5,186 | 4,885 |
| Muscatine County flipped | D+15.9 | R+14.9 | R+30.8 | 19,865 | 19,695 |
| Hamilton County | R+2.6 | R+33.3 | R+30.7 | 7,927 | 7,573 |
| Winnebago County | Even | R+30.7 | R+30.7 | 5,918 | 5,627 |
| Henry County | R+5.9 | R+36.0 | R+30.1 | 9,697 | 9,574 |
| Cherokee County | R+16.0 | R+45.7 | R+29.7 | 6,415 | 6,089 |
| Harrison County | R+12.7 | R+41.8 | R+29.1 | 7,322 | 7,938 |
| Wright County | R+8.1 | R+36.5 | R+28.4 | 6,278 | 5,706 |
| Boone County flipped | D+6.6 | R+21.5 | R+28.1 | 14,388 | 15,346 |
| Humboldt County | R+21.9 | R+50.0 | R+28.1 | 5,158 | 5,067 |
| Guthrie County | R+10.3 | R+38.0 | R+27.7 | 5,888 | 6,514 |
| Ida County | R+26.3 | R+53.4 | R+27.1 | 3,663 | 3,642 |
| Madison County | R+11.9 | R+38.6 | R+26.7 | 8,458 | 9,995 |
| Cedar County flipped | D+4.6 | R+21.7 | R+26.3 | 9,649 | 10,624 |
| Poweshiek County flipped | D+9.3 | R+16.9 | R+26.2 | 9,975 | 9,971 |
| Cerro Gordo County flipped | D+13.4 | R+11.6 | R+25.0 | 23,824 | 22,942 |
| Marshall County flipped | D+9.4 | R+15.6 | R+25.0 | 19,064 | 17,217 |
| Bremer County flipped | D+2.7 | R+22.1 | R+24.8 | 13,346 | 14,556 |
| Clay County | R+18.4 | R+43.2 | R+24.8 | 8,502 | 8,514 |
| Marion County | R+13.2 | R+37.8 | R+24.6 | 17,687 | 19,490 |
| Woodbury County flipped | D+1.0 | R+23.1 | R+24.1 | 45,019 | 42,674 |
| Winneshiek County flipped | D+14.7 | R+9.3 | R+24.0 | 11,084 | 11,927 |
| Dubuque County flipped | D+14.7 | R+8.6 | R+23.3 | 50,894 | 52,566 |
| Osceola County | R+41.2 | R+64.3 | R+23.1 | 3,194 | 3,219 |
| Buena Vista County | R+10.2 | R+33.2 | R+23.0 | 8,383 | 7,516 |
| Iowa County | R+4.8 | R+27.7 | R+22.9 | 8,866 | 9,617 |
| Jefferson County flipped | D+15.9 | R+6.8 | R+22.7 | 8,530 | 8,317 |
| Dickinson County | R+17.9 | R+40.0 | R+22.1 | 10,159 | 11,192 |
| Cass County | R+18.8 | R+40.7 | R+21.9 | 7,205 | 7,195 |
| Shelby County | R+22.2 | R+43.0 | R+20.8 | 6,483 | 6,486 |
| Washington County | R+4.0 | R+24.4 | R+20.4 | 11,004 | 11,551 |
| Mills County | R+19.0 | R+39.1 | R+20.1 | 7,212 | 8,223 |
| Plymouth County | R+34.2 | R+54.2 | R+20.0 | 12,950 | 13,931 |
| Grundy County | R+22.7 | R+41.8 | R+19.1 | 6,962 | 7,131 |
| Black Hawk County | D+20.2 | D+1.2 | R+19.0 | 67,141 | 62,653 |
| Warren County | R+2.0 | R+20.8 | R+18.8 | 26,072 | 32,662 |
| Page County | R+24.5 | R+42.4 | R+17.9 | 7,079 | 7,297 |
| Montgomery County | R+21.5 | R+39.1 | R+17.6 | 5,025 | 5,061 |
| Scott County flipped | D+13.7 | R+3.9 | R+17.6 | 90,263 | 89,743 |
| O'Brien County | R+44.9 | R+61.0 | R+16.1 | 7,341 | 7,501 |
| Lyon County | R+54.6 | R+69.9 | R+15.3 | 6,509 | 6,984 |
| Pottawattamie County | R+5.3 | R+20.0 | R+14.7 | 42,301 | 44,411 |
| Linn County | D+17.7 | D+9.9 | R+7.8 | 118,453 | 122,369 |
| Sioux County | R+67.6 | R+71.1 | R+3.5 | 17,308 | 18,881 |
| Story County | D+13.9 | D+10.4 | R+3.5 | 47,150 | 49,200 |
| Polk County | D+14.1 | D+10.9 | R+3.2 | 228,882 | 255,563 |
| Johnson County | D+35.5 | D+38.1 | D+2.6 | 75,977 | 86,068 |
| Dallas County | R+11.6 | R+4.8 | D+6.8 | 38,116 | 62,633 |
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data