Muir, MI -- U.S. village in Michigan Population (2000): 634 Housing Units (2000): 264 Land area (2000): 0.763354 sq. miles (1.977077 sq. km) Water area (2000): 0.007342 sq. miles (0.019016 sq. km) Total area (2000): 0.770696 sq. miles (1.996093 sq. km) FIPS code: 56080 Located within: Michigan (MI), FIPS 26 Location: 42.997937 N, 84.939893 W ZIP Codes (1990): 48860 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Muir, MI Muir