Colfax, CA -- U.S. city in California Population (2000): 1496 Housing Units (2000): 636 Land area (2000): 1.311182 sq. miles (3.395946 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.311182 sq. miles (3.395946 sq. km) FIPS code: 14498 Located within: California (CA), FIPS 06 Location: 39.097260 N, 120.954017 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Colfax, CA Colfax