There are 9 zip codes in Aitkin County, Minnesota. The most populated is 56431, located in Aitkin. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
564318,958Aitkin
557602,984Mcgregor
563422,692Isle
557481,374Hill City
56469950Palisade
55787618Tamarack
55752434Jacobson
56350391McGrath
55785363Swatara

Zip Codes in Aitkin County, Minnesota by Population (2024)