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Iowa 2008 vs 2012: county swing

94 of 99 counties moved toward the Republican ticket; 17 changed hands.

Audubon County: swing R+8.5Bremer County: swing R+6.6Buena Vista County: swing R+8.4Cedar County: swing R+5.0Clarke County: swing R+0.7Clinton County: swing R+0.2Crawford County: swing R+13.0Delaware County: swing R+6.2Emmet County: swing R+12.6Floyd County: swing R+7.2Hamilton County: swing R+3.9Henry County: swing R+0.9Iowa County: swing R+5.0Jones County: swing R+2.6Linn County: swing R+3.8Madison County: swing R+1.9Marion County: swing R+2.4Montgomery County: swing R+10.9O'Brien County: swing R+10.1Pocahontas County: swing R+13.2Sac County: swing R+9.5Story County: swing R+2.3Union County: swing D+0.2Warren County: swing R+2.6Worth County: swing R+7.9Adair County: swing R+4.8Decatur County: swing R+3.3Dubuque County: swing R+6.1Franklin County: swing R+12.1Grundy County: swing R+5.8Guthrie County: swing R+2.6Howard County: swing R+4.8Ida County: swing R+9.9Jefferson County: swing R+4.3Johnson County: swing R+6.0Keokuk County: swing R+6.7Lee County: swing R+0.5Marshall County: swing D+0.1Mills County: swing R+2.5Monroe County: swing R+2.5Muscatine County: swing D+0.3Page County: swing R+4.8Polk County: swing R+0.5Pottawattamie County: swing R+3.4Ringgold County: swing R+0.9Scott County: swing R+0.8Tama County: swing R+4.7Van Buren County: swing R+6.3Washington County: swing R+3.3Winnebago County: swing R+8.6Woodbury County: swing D+1.5Dickinson County: swing R+12.5Plymouth County: swing R+9.1Appanoose County: swing R+1.4Benton County: swing R+5.1Boone County: swing R+1.0Buchanan County: swing R+4.6Butler County: swing R+5.6Carroll County: swing R+9.8Cerro Gordo County: swing R+7.5Clay County: swing R+13.2Clayton County: swing R+10.2Dallas County: swing R+6.1Des Moines County: swing R+4.7Greene County: swing R+0.6Hancock County: swing R+9.9Humboldt County: swing R+7.6Jasper County: swing R+0.4Louisa County: swing R+3.6Mitchell County: swing R+8.9Palo Alto County: swing R+13.4Poweshiek County: swing R+2.4Shelby County: swing R+12.5Wapello County: swing R+1.8Webster County: swing R+2.7Wright County: swing R+6.6Adams County: swing R+7.0Black Hawk County: swing R+2.2Calhoun County: swing R+4.8Cherokee County: swing R+8.4Allamakee County: swing R+10.2Davis County: swing R+7.2Fayette County: swing R+4.6Fremont County: swing R+5.6Hardin County: swing R+7.6Harrison County: swing R+8.0Jackson County: swing R+7.5Kossuth County: swing R+15.4Lyon County: swing R+9.6Monona County: swing R+7.2Osceola County: swing R+9.6Sioux County: swing R+4.8Taylor County: swing R+5.5Wayne County: swing R+4.5Winneshiek County: swing R+7.9Lucas County: swing D+0.6Cass County: swing R+8.0Chickasaw County: swing R+9.7Mahaska County: swing R+3.9
Red: toward the Republican ticket. Blue: toward the Democratic ticket.
County20082012SwingVotes 2008Votes 2012
Kossuth County flipped D+3.2 R+12.2 R+15.4 9,097 8,923
Palo Alto County flipped D+2.8 R+10.6 R+13.4 4,806 4,887
Clay County R+5.2 R+18.4 R+13.2 8,398 8,502
Pocahontas County R+8.4 R+21.6 R+13.2 4,011 4,032
Crawford County flipped D+5.2 R+7.8 R+13.0 7,191 6,752
Emmet County flipped D+3.9 R+8.7 R+12.6 5,015 4,687
Dickinson County R+5.4 R+17.9 R+12.5 9,906 10,159
Shelby County R+9.7 R+22.2 R+12.5 6,453 6,483
Franklin County flipped D+1.4 R+10.7 R+12.1 5,148 5,186
Montgomery County R+10.6 R+21.5 R+10.9 5,287 5,025
Allamakee County D+14.3 D+4.1 R+10.2 7,059 6,934
Clayton County D+17.2 D+7.0 R+10.2 8,989 9,138
O'Brien County R+34.8 R+44.9 R+10.1 7,333 7,341
Hancock County R+3.6 R+13.5 R+9.9 5,930 5,925
Ida County R+16.4 R+26.3 R+9.9 3,547 3,663
Carroll County flipped D+3.6 R+6.2 R+9.8 10,387 10,674
Chickasaw County D+20.8 D+11.1 R+9.7 6,583 6,484
Lyon County R+45.0 R+54.6 R+9.6 6,217 6,509
Osceola County R+31.6 R+41.2 R+9.6 3,127 3,194
Sac County R+8.9 R+18.4 R+9.5 5,053 5,291
Plymouth County R+25.1 R+34.2 R+9.1 12,512 12,950
Mitchell County D+12.3 D+3.4 R+8.9 5,766 5,586
Winnebago County flipped D+8.6 Even R+8.6 6,082 5,918
Audubon County flipped D+3.0 R+5.5 R+8.5 3,435 3,457
Buena Vista County R+1.8 R+10.2 R+8.4 8,418 8,383
Cherokee County R+7.6 R+16.0 R+8.4 6,365 6,415
Cass County R+10.8 R+18.8 R+8.0 7,350 7,205
Harrison County R+4.7 R+12.7 R+8.0 7,578 7,322
Winneshiek County D+22.6 D+14.7 R+7.9 11,280 11,084
Worth County D+22.4 D+14.5 R+7.9 4,257 4,172
Hardin County flipped D+0.9 R+6.7 R+7.6 8,859 8,898
Humboldt County R+14.3 R+21.9 R+7.6 5,122 5,158
Cerro Gordo County D+20.9 D+13.4 R+7.5 24,140 23,824
Jackson County D+24.4 D+16.9 R+7.5 9,955 10,242
Davis County R+9.2 R+16.4 R+7.2 3,815 3,773
Floyd County D+21.9 D+14.7 R+7.2 8,091 8,257
Monona County R+2.4 R+9.6 R+7.2 4,796 4,742
Adams County flipped D+3.3 R+3.7 R+7.0 2,206 2,185
Keokuk County R+3.6 R+10.3 R+6.7 5,361 5,266
Bremer County D+9.3 D+2.7 R+6.6 12,871 13,346
Wright County R+1.5 R+8.1 R+6.6 6,395 6,278
Van Buren County R+12.2 R+18.5 R+6.3 3,608 3,569
Delaware County flipped D+6.0 R+0.2 R+6.2 8,901 9,378
Dallas County R+5.5 R+11.6 R+6.1 32,640 38,116
Dubuque County D+20.8 D+14.7 R+6.1 47,953 50,894
Johnson County D+41.5 D+35.5 R+6.0 72,975 75,977
Grundy County R+16.9 R+22.7 R+5.8 6,828 6,962
Butler County R+4.7 R+10.3 R+5.6 7,166 7,545
Fremont County R+3.6 R+9.2 R+5.6 3,894 3,668
Taylor County R+8.6 R+14.1 R+5.5 3,026 2,995
Benton County flipped D+4.5 R+0.6 R+5.1 13,712 14,023
Cedar County D+9.6 D+4.6 R+5.0 9,665 9,649
Iowa County flipped D+0.2 R+4.8 R+5.0 8,546 8,866
Adair County R+3.3 R+8.1 R+4.8 4,053 3,996
Calhoun County R+7.7 R+12.5 R+4.8 5,195 5,230
Howard County D+25.8 D+21.0 R+4.8 4,728 4,645
Page County R+19.7 R+24.5 R+4.8 7,356 7,079
Sioux County R+62.8 R+67.6 R+4.8 16,664 17,308
Des Moines County D+23.1 D+18.4 R+4.7 20,570 20,385
Tama County D+12.2 D+7.5 R+4.7 8,850 9,017
Buchanan County D+18.5 D+13.9 R+4.6 10,338 10,535
Fayette County D+16.6 D+12.0 R+4.6 10,259 10,366
Wayne County R+7.0 R+11.5 R+4.5 2,980 2,900
Jefferson County D+20.2 D+15.9 R+4.3 8,631 8,530
Hamilton County flipped D+1.3 R+2.6 R+3.9 8,078 7,927
Mahaska County R+16.6 R+20.5 R+3.9 10,932 10,883
Linn County D+21.5 D+17.7 R+3.8 113,355 118,453
Louisa County D+4.3 D+0.7 R+3.6 4,920 4,968
Pottawattamie County R+1.9 R+5.3 R+3.4 42,320 42,301
Decatur County R+0.8 R+4.1 R+3.3 4,102 3,833
Washington County R+0.7 R+4.0 R+3.3 10,626 11,004
Webster County D+8.5 D+5.8 R+2.7 18,554 18,292
Guthrie County R+7.7 R+10.3 R+2.6 5,847 5,888
Jones County D+10.4 D+7.8 R+2.6 10,004 10,449
Warren County flipped D+0.6 R+2.0 R+2.6 24,880 26,072
Mills County R+16.5 R+19.0 R+2.5 7,282 7,212
Monroe County R+5.2 R+7.7 R+2.5 3,873 3,830
Marion County R+10.8 R+13.2 R+2.4 17,030 17,687
Poweshiek County D+11.7 D+9.3 R+2.4 10,031 9,975
Story County D+16.2 D+13.9 R+2.3 46,575 47,150
Black Hawk County D+22.4 D+20.2 R+2.2 64,775 67,141
Madison County R+10.0 R+11.9 R+1.9 8,480 8,458
Wapello County D+13.6 D+11.8 R+1.8 15,931 15,770
Appanoose County R+1.9 R+3.3 R+1.4 6,176 6,245
Boone County D+7.6 D+6.6 R+1.0 13,929 14,388
Henry County R+5.0 R+5.9 R+0.9 9,377 9,697
Ringgold County R+6.1 R+7.0 R+0.9 2,689 2,599
Scott County D+14.5 D+13.7 R+0.8 86,371 90,263
Clarke County D+2.2 D+1.5 R+0.7 4,443 4,430
Greene County flipped D+0.5 R+0.1 R+0.6 4,804 4,846
Lee County D+16.0 D+15.5 R+0.5 17,224 18,911
Polk County D+14.6 D+14.1 R+0.5 214,386 228,882
Jasper County D+7.5 D+7.1 R+0.4 19,421 19,515
Clinton County D+23.1 D+22.9 R+0.2 24,719 25,000
Marshall County D+9.3 D+9.4 D+0.1 18,657 19,064
Union County D+3.7 D+3.9 D+0.2 5,909 5,957
Muscatine County D+15.6 D+15.9 D+0.3 19,119 19,865
Lucas County R+6.7 R+6.1 D+0.6 4,471 4,323
Woodbury County flipped R+0.5 D+1.0 D+1.5 44,801 45,019

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data