Barnesville, OH -- U.S. village in Ohio Population (2000): 4225 Housing Units (2000): 1964 Land area (2000): 1.923408 sq. miles (4.981603 sq. km) Water area (2000): 0.004649 sq. miles (0.012042 sq. km) Total area (2000): 1.928057 sq. miles (4.993645 sq. km) FIPS code: 03926 Located within: Ohio (OH), FIPS 39 Location: 39.988129 N, 81.175483 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Barnesville, OH Barnesville