33 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 50023 | Ankeny | 45,286 |
| 50317 | Des Moines | 36,721 |
| 50315 | Des Moines | 35,349 |
| 50265 | West Des Moines | 33,061 |
| 50322 | Urbandale | 31,694 |
| 50310 | Des Moines | 31,283 |
| 50021 | Ankeny | 29,718 |
| 50131 | Johnston | 24,388 |
| 50320 | Des Moines | 23,903 |
| 50009 | Altoona | 21,992 |
| 50325 | Clive | 18,776 |
| 50313 | Des Moines | 18,280 |
| 50111 | Grimes | 16,254 |
| 50316 | Des Moines | 16,188 |
| 50311 | Des Moines | 15,889 |
| 50312 | Des Moines | 15,492 |
| 50327 | Pleasant Hill | 12,875 |
| 50314 | Des Moines | 10,203 |
| 50035 | Bondurant | 9,668 |
| 50309 | Des Moines | 9,199 |
| 50321 | Des Moines | 7,787 |
| 50226 | Polk City | 7,290 |
| 50324 | Windsor Heights | 5,171 |
| 50169 | Mitchellville | 3,532 |
| 50109 | Granger | 3,371 |
| 50237 | Runnells | 3,275 |
| 50161 | Maxwell | 2,081 |
| 50244 | Slater | 1,866 |
| 50073 | Elkhart | 1,018 |
| 50032 | Berwick | 622 |
| 50007 | Alleman | 490 |
| 50243 | Sheldahl | 348 |
| 50319 | Des Moines | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 33 ZCTAs in Polk County, Iowa (US Census).