South Fork, CO -- U.S. town in Colorado Population (2000): 604 Housing Units (2000): 580 Land area (2000): 2.366396 sq. miles (6.128936 sq. km) Water area (2000): 0.000524 sq. miles (0.001357 sq. km) Total area (2000): 2.366920 sq. miles (6.130293 sq. km) FIPS code: 72395 Located within: Colorado (CO), FIPS 08 Location: 37.669065 N, 106.642829 W ZIP Codes (1990): 81154 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: South Fork, CO South Fork