Radcliff, KY -- U.S. city in Kentucky Population (2000): 21961 Housing Units (2000): 9487 Land area (2000): 11.473560 sq. miles (29.716384 sq. km) Water area (2000): 0.009746 sq. miles (0.025243 sq. km) Total area (2000): 11.483306 sq. miles (29.741627 sq. km) FIPS code: 63912 Located within: Kentucky (KY), FIPS 21 Location: 37.829918 N, 85.945541 W ZIP Codes (1990): 40160 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Radcliff, KY Radcliff