Hancock -- U.S. County in Indiana Population (2000): 55391 Housing Units (2000): 21750 Land area (2000): 306.124994 sq. miles (792.860060 sq. km) Water area (2000): 0.607357 sq. miles (1.573047 sq. km) Total area (2000): 306.732351 sq. miles (794.433107 sq. km) Located within: Indiana (IN), FIPS 18 Location: 39.820991 N, 85.790803 W Headwords: Hancock Hancock, IN Hancock County Hancock County, IN