Royal Center, IN -- U.S. town in Indiana Population (2000): 832 Housing Units (2000): 348 Land area (2000): 0.501060 sq. miles (1.297740 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.501060 sq. miles (1.297740 sq. km) FIPS code: 66222 Located within: Indiana (IN), FIPS 18 Location: 40.863955 N, 86.499787 W ZIP Codes (1990): 46978 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Royal Center, IN Royal Center