Iowa 2004 vs 2008: county swing
1 of 99 counties moved toward the Republican ticket; 21 changed hands.
| County | 2004 | 2008 | Swing | Votes 2004 | Votes 2008 |
|---|---|---|---|---|---|
| Clarke County | D+2.7 | D+2.2 | R+0.5 | 4,566 | 4,443 |
| Monroe County | R+5.4 | R+5.2 | D+0.2 | 3,963 | 3,873 |
| Ringgold County | R+6.5 | R+6.1 | D+0.4 | 2,778 | 2,689 |
| Lee County | D+15.0 | D+16.0 | D+1.0 | 17,858 | 17,224 |
| Monona County | R+3.5 | R+2.4 | D+1.1 | 5,018 | 4,796 |
| Davis County | R+10.6 | R+9.2 | D+1.4 | 3,918 | 3,815 |
| Woodbury County | R+2.3 | R+0.5 | D+1.8 | 44,195 | 44,801 |
| Appanoose County | R+4.3 | R+1.9 | D+2.4 | 6,450 | 6,176 |
| Jasper County | D+4.8 | D+7.5 | D+2.7 | 20,062 | 19,421 |
| Des Moines County | D+20.3 | D+23.1 | D+2.8 | 20,874 | 20,570 |
| Wapello County | D+10.3 | D+13.6 | D+3.3 | 16,707 | 15,931 |
| Greene County flipped | R+3.1 | D+0.5 | D+3.6 | 5,113 | 4,804 |
| Cherokee County | R+11.3 | R+7.6 | D+3.7 | 6,796 | 6,365 |
| Benton County | D+0.7 | D+4.5 | D+3.8 | 13,501 | 13,712 |
| Plymouth County | R+28.9 | R+25.1 | D+3.8 | 12,222 | 12,512 |
| O'Brien County | R+38.8 | R+34.8 | D+4.0 | 7,731 | 7,333 |
| Guthrie County | R+11.9 | R+7.7 | D+4.2 | 5,994 | 5,847 |
| Wayne County | R+11.3 | R+7.0 | D+4.3 | 3,133 | 2,980 |
| Madison County | R+14.5 | R+10.0 | D+4.5 | 8,004 | 8,480 |
| Van Buren County | R+16.7 | R+12.2 | D+4.5 | 3,836 | 3,608 |
| Humboldt County | R+19.0 | R+14.3 | D+4.7 | 5,350 | 5,122 |
| Decatur County | R+5.8 | R+0.8 | D+5.0 | 4,011 | 4,102 |
| Webster County | D+3.2 | D+8.5 | D+5.3 | 18,631 | 18,554 |
| Lucas County | R+12.1 | R+6.7 | D+5.4 | 4,571 | 4,471 |
| Pocahontas County | R+14.4 | R+8.4 | D+6.0 | 4,313 | 4,011 |
| Boone County | D+1.2 | D+7.6 | D+6.4 | 14,009 | 13,929 |
| Palo Alto County flipped | R+3.7 | D+2.8 | D+6.5 | 5,191 | 4,806 |
| Henry County | R+11.6 | R+5.0 | D+6.6 | 9,457 | 9,377 |
| Warren County flipped | R+6.2 | D+0.6 | D+6.8 | 23,053 | 24,880 |
| Dubuque County | D+13.8 | D+20.8 | D+7.0 | 47,043 | 47,953 |
| Hamilton County flipped | R+5.7 | D+1.3 | D+7.0 | 8,335 | 8,078 |
| Dickinson County | R+12.6 | R+5.4 | D+7.2 | 9,553 | 9,906 |
| Jones County | D+2.3 | D+10.4 | D+8.1 | 9,978 | 10,004 |
| Sac County | R+17.0 | R+8.9 | D+8.1 | 5,374 | 5,053 |
| Ida County | R+24.6 | R+16.4 | D+8.2 | 3,774 | 3,547 |
| Iowa County flipped | R+8.3 | D+0.2 | D+8.5 | 8,454 | 8,546 |
| Wright County | R+10.6 | R+1.5 | D+9.1 | 6,603 | 6,395 |
| Sioux County | R+72.3 | R+62.8 | D+9.5 | 16,570 | 16,664 |
| Emmet County flipped | R+5.7 | D+3.9 | D+9.6 | 5,156 | 5,015 |
| Marion County | R+20.4 | R+10.8 | D+9.6 | 16,696 | 17,030 |
| Adair County | R+13.0 | R+3.3 | D+9.7 | 4,278 | 4,053 |
| Mitchell County | D+2.5 | D+12.3 | D+9.8 | 5,480 | 5,766 |
| Louisa County flipped | R+5.6 | D+4.3 | D+9.9 | 4,916 | 4,920 |
| Marshall County flipped | R+0.6 | D+9.3 | D+9.9 | 19,164 | 18,657 |
| Polk County | D+4.6 | D+14.6 | D+10.0 | 202,618 | 214,386 |
| Jefferson County | D+10.1 | D+20.2 | D+10.1 | 8,281 | 8,631 |
| Osceola County | R+41.7 | R+31.6 | D+10.1 | 3,266 | 3,127 |
| Clinton County | D+12.8 | D+23.1 | D+10.3 | 24,684 | 24,719 |
| Jackson County | D+14.1 | D+24.4 | D+10.3 | 10,011 | 9,955 |
| Calhoun County | R+18.2 | R+7.7 | D+10.5 | 5,542 | 5,195 |
| Clay County | R+15.7 | R+5.2 | D+10.5 | 8,588 | 8,398 |
| Hardin County flipped | R+9.6 | D+0.9 | D+10.5 | 8,949 | 8,859 |
| Worth County | D+11.9 | D+22.4 | D+10.5 | 4,123 | 4,257 |
| Story County | D+5.6 | D+16.2 | D+10.6 | 44,652 | 46,575 |
| Union County flipped | R+6.9 | D+3.7 | D+10.6 | 5,978 | 5,909 |
| Dallas County | R+16.2 | R+5.5 | D+10.7 | 26,293 | 32,640 |
| Buchanan County | D+7.7 | D+18.5 | D+10.8 | 10,475 | 10,338 |
| Cedar County flipped | R+1.2 | D+9.6 | D+10.8 | 9,694 | 9,665 |
| Black Hawk County | D+11.5 | D+22.4 | D+10.9 | 63,907 | 64,775 |
| Poweshiek County | D+0.8 | D+11.7 | D+10.9 | 10,091 | 10,031 |
| Chickasaw County | D+9.8 | D+20.8 | D+11.0 | 6,806 | 6,583 |
| Cerro Gordo County | D+9.8 | D+20.9 | D+11.1 | 24,516 | 24,140 |
| Hancock County | R+14.9 | R+3.6 | D+11.3 | 5,905 | 5,930 |
| Keokuk County | R+15.0 | R+3.6 | D+11.4 | 5,480 | 5,361 |
| Linn County | D+10.0 | D+21.5 | D+11.5 | 110,740 | 113,355 |
| Lyon County | R+56.5 | R+45.0 | D+11.5 | 6,101 | 6,217 |
| Tama County | D+0.4 | D+12.2 | D+11.8 | 9,001 | 8,850 |
| Scott County | D+2.6 | D+14.5 | D+11.9 | 82,722 | 86,371 |
| Mahaska County | R+28.6 | R+16.6 | D+12.0 | 10,728 | 10,932 |
| Taylor County | R+20.6 | R+8.6 | D+12.0 | 3,190 | 3,026 |
| Johnson County | D+29.3 | D+41.5 | D+12.2 | 65,373 | 72,975 |
| Washington County | R+12.9 | R+0.7 | D+12.2 | 10,688 | 10,626 |
| Clayton County | D+4.7 | D+17.2 | D+12.5 | 9,168 | 8,989 |
| Audubon County flipped | R+9.7 | D+3.0 | D+12.7 | 3,592 | 3,435 |
| Muscatine County | D+2.8 | D+15.6 | D+12.8 | 18,717 | 19,119 |
| Grundy County | R+29.9 | R+16.9 | D+13.0 | 6,849 | 6,828 |
| Kossuth County flipped | R+9.9 | D+3.2 | D+13.1 | 9,258 | 9,097 |
| Howard County | D+12.5 | D+25.8 | D+13.3 | 4,697 | 4,728 |
| Delaware County flipped | R+7.4 | D+6.0 | D+13.4 | 9,200 | 8,901 |
| Carroll County flipped | R+10.2 | D+3.6 | D+13.8 | 10,524 | 10,387 |
| Buena Vista County | R+16.1 | R+1.8 | D+14.3 | 8,490 | 8,418 |
| Butler County | R+19.0 | R+4.7 | D+14.3 | 7,475 | 7,166 |
| Bremer County flipped | R+5.1 | D+9.3 | D+14.4 | 12,779 | 12,871 |
| Floyd County | D+7.4 | D+21.9 | D+14.5 | 8,167 | 8,091 |
| Crawford County flipped | R+10.1 | D+5.2 | D+15.3 | 7,242 | 7,191 |
| Allamakee County flipped | R+1.2 | D+14.3 | D+15.5 | 7,062 | 7,059 |
| Franklin County flipped | R+14.3 | D+1.4 | D+15.7 | 5,521 | 5,148 |
| Mills County | R+32.3 | R+16.5 | D+15.8 | 6,940 | 7,282 |
| Fayette County | D+0.6 | D+16.6 | D+16.0 | 10,392 | 10,259 |
| Pottawattamie County | R+18.3 | R+1.9 | D+16.4 | 41,820 | 42,320 |
| Winnebago County flipped | R+7.8 | D+8.6 | D+16.4 | 5,952 | 6,082 |
| Cass County | R+28.1 | R+10.8 | D+17.3 | 7,543 | 7,350 |
| Adams County flipped | R+14.6 | D+3.3 | D+17.9 | 2,325 | 2,206 |
| Fremont County | R+21.8 | R+3.6 | D+18.2 | 3,911 | 3,894 |
| Harrison County | R+23.1 | R+4.7 | D+18.4 | 7,680 | 7,578 |
| Shelby County | R+28.5 | R+9.7 | D+18.8 | 6,670 | 6,453 |
| Montgomery County | R+30.6 | R+10.6 | D+20.0 | 5,556 | 5,287 |
| Page County | R+40.4 | R+19.7 | D+20.7 | 7,513 | 7,356 |
| Winneshiek County | D+0.2 | D+22.6 | D+22.4 | 10,784 | 11,280 |
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data