Hartford, OH -- U.S. village in Ohio Population (2000): 412 Housing Units (2000): 170 Land area (2000): 0.535699 sq. miles (1.387453 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.535699 sq. miles (1.387453 sq. km) FIPS code: 34202 Located within: Ohio (OH), FIPS 39 Location: 40.239388 N, 82.687559 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hartford, OH Hartford