Sumner -- U.S. County in Tennessee Population (2000): 130449 Housing Units (2000): 51657 Land area (2000): 529.301999 sq. miles (1370.885825 sq. km) Water area (2000): 13.813822 sq. miles (35.777633 sq. km) Total area (2000): 543.115821 sq. miles (1406.663458 sq. km) Located within: Tennessee (TN), FIPS 47 Location: 36.436444 N, 86.487509 W Headwords: Sumner Sumner, TN Sumner County Sumner County, TN