Hamilton -- U.S. County in Texas Population (2000): 8229 Housing Units (2000): 4455 Land area (2000): 835.706227 sq. miles (2164.469099 sq. km) Water area (2000): 0.673000 sq. miles (1.743061 sq. km) Total area (2000): 836.379227 sq. miles (2166.212160 sq. km) Located within: Texas (TX), FIPS 48 Location: 31.751895 N, 98.100640 W Headwords: Hamilton Hamilton, TX Hamilton County Hamilton County, TX