Athens -- U.S. County in Ohio Population (2000): 62223 Housing Units (2000): 24901 Land area (2000): 506.757509 sq. miles (1312.495866 sq. km) Water area (2000): 1.780835 sq. miles (4.612341 sq. km) Total area (2000): 508.538344 sq. miles (1317.108207 sq. km) Located within: Ohio (OH), FIPS 39 Location: 39.356909 N, 82.075082 W Headwords: Athens Athens, OH Athens County Athens County, OH