There are 10 zip codes in Mackinac County, Michigan. The most populated is 49781, located in Saint Ignace. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
49781Saint Ignace3,628
49719Cedarville1,389
49827Engadine1,203
49745Hessel950
49757Mackinac Island836
49760Moran694
49762Naubinway577
49838Gould City391
49820Curtis200
49775Pointe Aux Pins44

Mackinac County, Michigan Zip Codes by Population (2024)