ZIP code ranking · IA
Most Populous ZIP Codes in IA
The top 25 ZIP codes ranked by population in IA. The ranking pulls from the latest available data; ZIPs with implausible or incomplete data are excluded.
| Rank | ZIP | Where | Population |
|---|---|---|---|
| 1 | 50023 | Ankeny, IA· Polk County | 46,306 |
| 2 | 50613 | Cedar Falls, IA· Black Hawk County | 43,867 |
| 3 | 52001 | Dubuque, IA· Dubuque County | 43,101 |
| 4 | 52404 | Cedar Rapids, IA· Linn County | 42,958 |
| 5 | 52402 | Cedar Rapids, IA· Linn County | 42,938 |
| 6 | 52302 | Marion, IA· Linn County | 42,706 |
| 7 | 52722 | Bettendorf, IA· Scott County | 41,264 |
| 8 | 51503 | Council Bluffs, IA· Pottawattamie County | 37,972 |
| 9 | 50266 | West Des Moines, IA· Dallas County | 37,523 |
| 10 | 50317 | Des Moines, IA· Polk County | 36,548 |
| 11 | 52240 | Iowa City, IA· Johnson County | 35,074 |
| 12 | 50315 | Des Moines, IA· Polk County | 34,816 |
| 13 | 51501 | Council Bluffs, IA· Pottawattamie County | 34,618 |
| 14 | 50010 | Ames, IA· Story County | 33,799 |
| 15 | 50265 | West Des Moines, IA· Polk County | 33,488 |
| 16 | 50014 | Ames, IA· Story County | 32,958 |
| 17 | 50322 | Urbandale, IA· Polk County | 31,931 |
| 18 | 50158 | Marshalltown, IA· Marshall County | 31,396 |
| 19 | 50310 | Des Moines, IA· Polk County | 31,177 |
| 20 | 52501 | Ottumwa, IA· Wapello County | 30,371 |
| 21 | 50021 | Ankeny, IA· Polk County | 30,283 |
| 22 | 50701 | Waterloo, IA· Black Hawk County | 30,232 |
| 23 | 50263 | Waukee, IA· Dallas County | 29,611 |
| 24 | 52761 | Muscatine, IA· Muscatine County | 29,474 |
| 25 | 50501 | Fort Dodge, IA· Webster County | 28,823 |