There are 12 zip codes in Marquette County, Michigan. The most populated is 49855, located in Marquette. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4985533,075Marquette
4984912,069Ishpeming
498668,233Negaunee
498417,093Gwinn
498851,820Skandia
498181,225Cornell
498141,198Champion
498801,135Rock
498791,093Republic
49871499Palmer
49808414Big Bay
49833119Little Lake

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