Mason County, Michigan ZIP Codes

Zip Code
City
Population ↓
49431Ludington17,184
49454Scottville4,873
49410Fountain1,734
49411Free Soil1,698
49405Custer1,635
49458Walhalla169

Overview of ZIP Codes in Mason 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Mason County, Michigan (US Census).

Sources

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

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