There are 12 zip codes in Marion County, Iowa. The most populated is 50219, located in Pella. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
5021913,940Pella
5013812,086Knoxville
502253,211Pleasantville
50044887Bussey
50062859Melcher Dallas
50214730Otley
50163663Melcher Dallas
50256519Tracy
50119356Harvey
50057244Columbia
50252244Swan
50116191Hamilton

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