Gwinn, MI -- U.S. Census Designated Place in Michigan Population (2000): 1965 Housing Units (2000): 1035 Land area (2000): 5.084110 sq. miles (13.167784 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 5.084110 sq. miles (13.167784 sq. km) FIPS code: 35760 Located within: Michigan (MI), FIPS 26 Location: 46.282296 N, 87.437733 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gwinn, MI Gwinn