There are 7 zip codes in Iron County, Wisconsin. The most populated is 54534, located in Hurley. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
545342,545Hurley
545471,394Mercer
54559918Saxon
54550623Montreal
54525279Gile
54536194Iron Belt
5456542Upson
showing: 7 rows

Zip Codes in Iron County, Wisconsin by Population (2024)