Poweshiek County, Iowa Zip Codes

Zip Code
City
Population ↓
50112Grinnell11,827
52211Brooklyn2,638
50171Montezuma2,440
52222Deep River731
50157Malcom705
50242Searsboro478
52221Guernsey359
52232Hartwick306

Overview of Zip Codes in Poweshiek County

8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Poweshiek County, Iowa (US Census).