Royal, IA -- U.S. city in Iowa Population (2000): 479 Housing Units (2000): 219 Land area (2000): 0.293103 sq. miles (0.759132 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.293103 sq. miles (0.759132 sq. km) FIPS code: 69105 Located within: Iowa (IA), FIPS 19 Location: 43.063951 N, 95.284790 W ZIP Codes (1990): 51357 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Royal, IA Royal