There are 4 zip codes in Alpena County, Michigan. The most populated is 49707, located in Alpena. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4970722,009Alpena
497662,405Ossineke
497531,766Lachine
49744900Herron

Zip Codes in Alpena County, Michigan by Population (2024)