Cumberland -- U.S. County in Kentucky Population (2000): 7147 Housing Units (2000): 3567 Land area (2000): 305.822498 sq. miles (792.076599 sq. km) Water area (2000): 5.024642 sq. miles (13.013762 sq. km) Total area (2000): 310.847140 sq. miles (805.090361 sq. km) Located within: Kentucky (KY), FIPS 21 Location: 36.779996 N, 85.406691 W Headwords: Cumberland Cumberland, KY Cumberland County Cumberland County, KY