Gratiot, WI -- U.S. village in Wisconsin Population (2000): 252 Housing Units (2000): 103 Land area (2000): 0.582585 sq. miles (1.508887 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.582585 sq. miles (1.508887 sq. km) FIPS code: 30575 Located within: Wisconsin (WI), FIPS 55 Location: 42.576947 N, 90.022340 W ZIP Codes (1990): 53541 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gratiot, WI Gratiot