Colfax, ND -- U.S. city in North Dakota Population (2000): 91 Housing Units (2000): 44 Land area (2000): 0.887650 sq. miles (2.299004 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.887650 sq. miles (2.299004 sq. km) FIPS code: 15180 Located within: North Dakota (ND), FIPS 38 Location: 46.469999 N, 96.875426 W ZIP Codes (1990): 58018 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Colfax, ND Colfax