Jackson -- U.S. County in Oklahoma Population (2000): 28439 Housing Units (2000): 12377 Land area (2000): 802.676061 sq. miles (2078.921366 sq. km) Water area (2000): 1.471033 sq. miles (3.809959 sq. km) Total area (2000): 804.147094 sq. miles (2082.731325 sq. km) Located within: Oklahoma (OK), FIPS 40 Location: 34.609790 N, 99.384059 W Headwords: Jackson Jackson, OK Jackson County Jackson County, OK