Graves -- U.S. County in Kentucky Population (2000): 37028 Housing Units (2000): 16340 Land area (2000): 555.591691 sq. miles (1438.975813 sq. km) Water area (2000): 0.869450 sq. miles (2.251865 sq. km) Total area (2000): 556.461141 sq. miles (1441.227678 sq. km) Located within: Kentucky (KY), FIPS 21 Location: 36.731680 N, 88.646569 W Headwords: Graves Graves, KY Graves County Graves County, KY