Isabella County, Michigan ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
48858Mount Pleasant42,226
48883Shepherd7,292
48893Weidman5,921
49310Blanchard3,183
48859Mount Pleasant2,228
48878Rosebush1,240
48896Winn226

Overview of ZIP Codes in Isabella 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 Isabella County, Michigan (US Census).

Sources

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

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