Boone -- U.S. County in Indiana Population (2000): 46107 Housing Units (2000): 17929 Land area (2000): 422.852806 sq. miles (1095.183694 sq. km) Water area (2000): 0.423907 sq. miles (1.097913 sq. km) Total area (2000): 423.276713 sq. miles (1096.281607 sq. km) Located within: Indiana (IN), FIPS 18 Location: 40.032080 N, 86.450455 W Headwords: Boone Boone, IN Boone County Boone County, IN