St. Thomas, ND -- U.S. city in North Dakota Population (2000): 447 Housing Units (2000): 201 Land area (2000): 1.059999 sq. miles (2.745385 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.059999 sq. miles (2.745385 sq. km) FIPS code: 70260 Located within: North Dakota (ND), FIPS 38 Location: 48.619637 N, 97.446704 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: St. Thomas, ND St. Thomas