There are 11 zip codes in Butler County, Iowa. The most populated is 50665, located in Parkersburg. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
506652,677Parkersburg
506702,378Shell Rock
506192,099Clarksville
506362,038Greene
506041,618Aplington
506021,382Allison
506601,234New Hartford
506251,005Dumont
50611364Bristow
5060843Austinville
5064916Kesley

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