Iron County, Wisconsin ZIP Codes

Zip Code
City
Population ↓
54534Hurley2,393
54547Mercer1,549
54559Saxon837
54550Montreal768
54525Gile318
54536Iron Belt154
54565Upson38

Overview of ZIP Codes in Iron 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.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Iron County, Wisconsin (US Census).

Sources

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

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