Union City, MI -- U.S. village in Michigan Population (2000): 1804 Housing Units (2000): 734 Land area (2000): 1.474195 sq. miles (3.818147 sq. km) Water area (2000): 0.008505 sq. miles (0.022029 sq. km) Total area (2000): 1.482700 sq. miles (3.840176 sq. km) FIPS code: 81360 Located within: Michigan (MI), FIPS 26 Location: 42.067286 N, 85.137853 W ZIP Codes (1990): 49094 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Union City, MI Union City