Harrison -- U.S. County in Kentucky Population (2000): 17983 Housing Units (2000): 7660 Land area (2000): 309.679141 sq. miles (802.065260 sq. km) Water area (2000): 0.196948 sq. miles (0.510094 sq. km) Total area (2000): 309.876089 sq. miles (802.575354 sq. km) Located within: Kentucky (KY), FIPS 21 Location: 38.415364 N, 84.321238 W Headwords: Harrison Harrison, KY Harrison County Harrison County, KY