Aitkin County, Minnesota ZIP Codes

Zip Code
City
Population ↓
56431Aitkin9,312
55760Mcgregor2,894
56342Isle2,788
55748Hill City1,374
56469Palisade967
55787Tamarack621
56350McGrath471
55752Jacobson446
55785Swatara271

Overview of ZIP Codes in Aitkin County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Aitkin County, Minnesota (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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