33 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 50023 | Ankeny | 45,195 |
| 50315 | Des Moines | 36,355 |
| 50317 | Des Moines | 35,466 |
| 50265 | West Des Moines | 33,222 |
| 50310 | Des Moines | 31,976 |
| 50322 | Urbandale | 31,917 |
| 50021 | Ankeny | 27,375 |
| 50131 | Johnston | 23,967 |
| 50320 | Des Moines | 23,709 |
| 50009 | Altoona | 21,402 |
| 50325 | Clive | 18,576 |
| 50313 | Des Moines | 18,291 |
| 50316 | Des Moines | 16,647 |
| 50311 | Des Moines | 15,869 |
| 50111 | Grimes | 15,745 |
| 50312 | Des Moines | 15,498 |
| 50327 | Pleasant Hill | 12,672 |
| 50314 | Des Moines | 10,086 |
| 50035 | Bondurant | 9,507 |
| 50309 | Des Moines | 9,307 |
| 50321 | Des Moines | 7,941 |
| 50226 | Polk City | 7,144 |
| 50324 | Windsor Heights | 5,200 |
| 50109 | Granger | 3,407 |
| 50237 | Runnells | 3,085 |
| 50169 | Mitchellville | 3,037 |
| 50161 | Maxwell | 2,016 |
| 50244 | Slater | 1,900 |
| 50073 | Elkhart | 959 |
| 50032 | Berwick | 702 |
| 50007 | Alleman | 489 |
| 50243 | Sheldahl | 382 |
| 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).