Mio, MI -- U.S. Census Designated Place in Michigan Population (2000): 2016 Housing Units (2000): 1191 Land area (2000): 7.463871 sq. miles (19.331336 sq. km) Water area (2000): 0.645909 sq. miles (1.672896 sq. km) Total area (2000): 8.109780 sq. miles (21.004232 sq. km) FIPS code: 54660 Located within: Michigan (MI), FIPS 26 Location: 44.654574 N, 84.131993 W ZIP Codes (1990): 48647 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mio, MI Mio