Cumberland -- U.S. County in Tennessee Population (2000): 46802 Housing Units (2000): 22442 Land area (2000): 681.611058 sq. miles (1765.364462 sq. km) Water area (2000): 3.337375 sq. miles (8.643761 sq. km) Total area (2000): 684.948433 sq. miles (1774.008223 sq. km) Located within: Tennessee (TN), FIPS 47 Location: 35.946153 N, 84.998248 W Headwords: Cumberland Cumberland, TN Cumberland County Cumberland County, TN