There are 32 zip codes in Polk County, Iowa. The most populated is 50023, located in Ankeny. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5002345,195Ankeny
5031536,355Des Moines
5026635,508West Des Moines
5031735,466Des Moines
5026533,222West Des Moines
5031031,976Des Moines
5032231,917Urbandale
5002127,375Ankeny
5013123,967Johnston
5032023,709Des Moines
5000921,402Altoona
5032518,576Clive
5031318,291Des Moines
5031616,647Des Moines
5032316,511Urbandale
5031115,869Des Moines
5011115,745Grimes
5031215,498Des Moines
5032712,672Des Moines
5031410,086Des Moines
500359,507Bondurant
503099,307Des Moines
503217,941Des Moines
502267,144Polk City
503245,200West Des Moines
502373,085Runnells
501693,037Mitchellville
50073959Elkhart
50032702Berwick
50007489Alleman
50243382Sheldahl
50319Des Moines
showing: 32 rows

Zip Codes in Polk County, Iowa by Population (2024)