Tioga, ND -- U.S. city in North Dakota Population (2000): 1125 Housing Units (2000): 569 Land area (2000): 1.314061 sq. miles (3.403403 sq. km) Water area (2000): 0.078079 sq. miles (0.202223 sq. km) Total area (2000): 1.392140 sq. miles (3.605626 sq. km) FIPS code: 78940 Located within: North Dakota (ND), FIPS 38 Location: 48.396414 N, 102.937634 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Tioga, ND Tioga