Rooks -- U.S. County in Kansas Population (2000): 5685 Housing Units (2000): 2758 Land area (2000): 888.344341 sq. miles (2300.801183 sq. km) Water area (2000): 7.017189 sq. miles (18.174436 sq. km) Total area (2000): 895.361530 sq. miles (2318.975619 sq. km) Located within: Kansas (KS), FIPS 20 Location: 39.357714 N, 99.334448 W Headwords: Rooks Rooks, KS Rooks County Rooks County, KS