Henry -- U.S. County in Indiana Population (2000): 48508 Housing Units (2000): 20592 Land area (2000): 392.927073 sq. miles (1017.676405 sq. km) Water area (2000): 1.969851 sq. miles (5.101891 sq. km) Total area (2000): 394.896924 sq. miles (1022.778296 sq. km) Located within: Indiana (IN), FIPS 18 Location: 39.923532 N, 85.405985 W Headwords: Henry Henry, IN Henry County Henry County, IN