Crestwood, KY -- U.S. city in Kentucky Population (2000): 1999 Housing Units (2000): 860 Land area (2000): 3.604895 sq. miles (9.336634 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.604895 sq. miles (9.336634 sq. km) FIPS code: 18496 Located within: Kentucky (KY), FIPS 21 Location: 38.324557 N, 85.483300 W ZIP Codes (1990): 40014 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Crestwood, KY Crestwood