| County | County Seat | % Correct |
|---|---|---|
| Polk | Des Moines | 96%
|
| Linn | Cedar Rapids | 88%
|
| Johnson | Iowa City | 88%
|
| Dubuque | Dubuque | 87%
|
| Black Hawk | Waterloo | 86%
|
| Lee | Fort Madison | 85%
|
| Woodbury | Sioux City | 84%
|
| Cerro Gordo | Mason City | 83%
|
| Scott | Davenport | 80%
|
| Boone | Boone | 79%
|
| Pottawattamie | Council Bluffs | 77%
|
| Marshall | Marshalltown | 77%
|
| Clinton | Clinton | 76%
|
| Carroll | Carroll | 74%
|
| Muscatine | Muscatine | 74%
|
| Jasper | Newton | 71%
|
| Clarke | Osceola | 71%
|
| Webster | Fort Dodge | 68%
|
| Wapello | Ottumwa | 68%
|
| Des Moines | Burlington | 64%
|
| Story | Nevada | 64%
|
| Grundy | Grundy Center | 63%
|
| Cherokee | Cherokee | 62%
|
| Greene | Jefferson | 61%
|
| Warren | Indianola | 60%
|
| Dallas | Adel | 59%
|
| Kossuth | Algona | 59%
|
| Mahaska | Oskaloosa | 59%
|
| Hamilton | Webster City | 59%
|
| Ida | Ida Grove | 57%
|
| Sac | Sac City | 57%
|
| Dickinson | Spirit Lake | 57%
|
| Buena Vista | Storm Lake | 57%
|
| Guthrie | Guthrie Center | 56%
|
| Pocahontas | Pocahontas | 56%
|
| Washington | Washington | 56%
|
| Madison | Winterset | 56%
|
| Winneshiek | Decorah | 54%
|
| Audubon | Audubon | 53%
|
| Tama | Toledo | 52%
|
| Jones | Anamosa | 51%
|
| Union | Creston | 50%
|
| Sioux | Orange City | 50%
|
| Clay | Spencer | 50%
|
| Benton | Vinton | 50%
|
| Bremer | Waverly | 50%
|
| Crawford | Denison | 49%
|
| Palo Alto | Emmetsburg | 49%
|
| Montgomery | Red Oak | 48%
|
| Floyd | Charles City | 47%
|
| Jefferson | Fairfield | 47%
|
| Allamakee | Waukon | 47%
|
| Cass | Atlantic | 46%
|
| Delaware | Manchester | 45%
|
| Appanoose | Centerville | 44%
|
| Lyon | Rock Rapids | 44%
|
| Howard | Cresco | 43%
|
| Hardin | Eldora | 41%
|
| Plymouth | Le Mars | 41%
|
| Cedar | Tipton | 41%
|
| Davis | Bloomfield | 38%
|
| Shelby | Harlan | 38%
|
| Buchanan | Independence | 38%
|
| Poweshiek | Montezuma | 38%
|
| Adair | Greenfield | 37%
|
| Lucas | Chariton | 35%
|
| Jackson | Maquoketa | 35%
|
| Keokuk | Sigourney | 35%
|
| Louisa | Wapello | 33%
|
| Monroe | Albia | 32%
|
| Adams | Corning | 32%
|
| Iowa | Marengo | 32%
|
| Henry | Mount Pleasant | 32%
|
| Emmet | Estherville | 31%
|
| Monona | Onawa | 31%
|
| Calhoun | Rockwell City | 31%
|
| Clayton | Elkader | 29%
|
| Winnebago | Forest City | 29%
|
| Marion | Knocksville | 29%
|
| Ringgold | Mount Ayr | 29%
|
| Page | Clarinda | 28%
|
| Wayne | Corydon | 28%
|
| Mills | Glenwood | 28%
|
| Franklin | Hampton | 28%
|
| Chickasaw | New Hampton | 27%
|
| Hancock | Garner | 24%
|
| Harrison | Logan | 23%
|
| O'Brien | Primghar | 23%
|
| Butler | Allison | 21%
|
| Taylor | Bedford | 21%
|
| Decatur | Leon | 21%
|
| Humboldt | Dakota City | 19%
|
| Mitchell | Osage | 18%
|
| Osceola | Sibly | 18%
|
| Fremont | Sidney | 18%
|
| Fayette | West Union | 16%
|
| Wright | Clarion | 15%
|
| Worth | Northwood | 11%
|
| Van Buren | Keosauqua | 9%
|