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Mackinac County, MI ZCTA Zip Codes

ZIP Code Tabulation Areas (ZCTAs) are generalized representations of U.S. Postal Service ZIP Code service areas, developed by the U.S. Census Bureau to facilitate the presentation and analysis of statistical data. Unlike ZIP Codes, which are defined for mail delivery purposes, ZCTAs are created by aggregating census blocks that share the same predominant ZIP Code, providing a spatial framework for demographic analysis.

Mackinac County, Michigan, encompasses several ZCTAs, each corresponding to specific regions within the county. The highest ZIP Code in the county is 49868, while the lowest is 49719. These ZCTAs cover various cities and towns, including St. Ignace, Mackinac Island, Cedarville, and Hessel.

According to the 2020 U.S. Census, the most populated ZIP Code in Mackinac County is 49781 (St. Ignace), with a population of approximately 3,628 residents. In contrast, the least populated is 49775 (Pointe Aux Pins), with around 44 residents.

Notable Landmarks

The county is served by multiple post offices, with ZIP Code 49757 designated as a PO Box-only area. The exact number of PO Boxes and post offices can vary, but key locations include St. Ignace, Mackinac Island, and Cedarville.

Demographic Data

Mackinac County ZIP Codes (Highest to Lowest Population)

ZIP Code City/Town Population 49781 St. Ignace 3,628 49719 Cedarville 1,389 49827 Engadine 1,203 49745 Hessel 950 49757 Mackinac Island 836 49760 Moran 694 49762 Naubinway 577 49838 Gould City 391 49820 Curtis 200 49775 Pointe Aux Pins 44

Source: Population figures are based on the most recent data from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.






Source: Census
Map Copyright CCCARTO


County/City Zip Codes