Caldwell -- U.S. County in Kentucky Population (2000): 13060 Housing Units (2000): 6126 Land area (2000): 346.979774 sq. miles (898.673451 sq. km) Water area (2000): 1.196727 sq. miles (3.099508 sq. km) Total area (2000): 348.176501 sq. miles (901.772959 sq. km) Located within: Kentucky (KY), FIPS 21 Location: 37.152168 N, 87.889446 W Headwords: Caldwell Caldwell, KY Caldwell County Caldwell County, KY