| Population | County | City | % Correct |
|---|---|---|---|
| 212,031 | Polk | Des Moines | 99%
|
| 136,467 | Linn | Cedar Rapids | 85%
|
| 74,596 | Johnson | Iowa City | 83%
|
| 101,009 | Scott | Davenport | 77%
|
| 85,617 | Woodbury | Sioux City | 75%
|
| 66,424 | Story | Ames | 66%
|
| 59,119 | ------- | Dubuque | 59%
|
| 69,792 | Polk | West Des Moines | 55%
|
| 66,941 | Black Hawk | Waterloo | 54%
|
| 62,415 | Pottawattamie | Council Bluffs | 48%
|
| 70,287 | Polk | Ankeny | 43%
|
| 40,388 | Black Hawk | Cedar Falls | 43%
|
| 27,138 | Cerro Gordo | Mason City | 34%
|
| 39,327 | Scott | Bettendorf | 32%
|
| 24,912 | Webster | Fort Dodge | 30%
|
| 45,923 | Polk | Urbandale | 30%
|
| 27,388 | Marshall | Marshalltown | 29%
|
| 25,350 | Wapello | Ottumwa | 27%
|
| 41,703 | Linn | Marion | 25%
|
| 26,495 | Dallas | Waukee | 22%
|