Gratiot, OH -- U.S. village in Ohio Population (2000): 187 Housing Units (2000): 82 Land area (2000): 0.119452 sq. miles (0.309378 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.119452 sq. miles (0.309378 sq. km) FIPS code: 31458 Located within: Ohio (OH), FIPS 39 Location: 39.951538 N, 82.215805 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gratiot, OH Gratiot