Polk County, Iowa ZIP Codes
- ZIP records
33 - Cities represented
21 - Sum of listed ZIP population estimates
499,242
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 50023 | Ankeny | 46,306 |
| 2 | 50317 | Des Moines | 36,548 |
| 3 | 50315 | Des Moines | 34,816 |
| 4 | 50265 | West Des Moines | 33,488 |
| 5 | 50322 | Urbandale | 31,931 |
| 6 | 50310 | Des Moines | 31,177 |
| 7 | 50021 | Ankeny | 30,283 |
| 8 | 50320 | Des Moines | 24,807 |
| 9 | 50131 | Johnston | 24,583 |
| 10 | 50009 | Altoona | 22,886 |
Cities in Polk County
- Alleman
- Altoona
- Ankeny
- Berwick
- Bondurant
- Clive
- Des Moines
- Elkhart
- Granger
- Grimes
- Johnston
- Maxwell
- Mitchellville
- Pleasant Hill
- Polk City
- Runnells
- Sheldahl
- Slater
- Urbandale
- West Des Moines
- Windsor Heights
ZIP Directory
- ZIP 50007
- ZIP 50009
- ZIP 50021
- ZIP 50023
- ZIP 50032
- ZIP 50035
- ZIP 50073
- ZIP 50109
- ZIP 50111
- ZIP 50131
- ZIP 50161
- ZIP 50169
- ZIP 50226
- ZIP 50237
- ZIP 50243
- ZIP 50244
- ZIP 50265
- ZIP 50309
- ZIP 50310
- ZIP 50311
- ZIP 50312
- ZIP 50313
- ZIP 50314
- ZIP 50315
- ZIP 50316
- ZIP 50317
- ZIP 50319
- ZIP 50320
- ZIP 50321
- ZIP 50322
- ZIP 50324
- ZIP 50325
- ZIP 50327
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.