Calio, ND -- U.S. city in North Dakota Population (2000): 24 Housing Units (2000): 17 Land area (2000): 8.182839 sq. miles (21.193455 sq. km) Water area (2000): 0.735557 sq. miles (1.905085 sq. km) Total area (2000): 8.918396 sq. miles (23.098540 sq. km) FIPS code: 11580 Located within: North Dakota (ND), FIPS 38 Location: 48.630100 N, 98.934967 W ZIP Codes (1990): 58352 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Calio, ND Calio