Jamestown, CO -- U.S. town in Colorado Population (2000): 205 Housing Units (2000): 102 Land area (2000): 0.652504 sq. miles (1.689978 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.652504 sq. miles (1.689978 sq. km) FIPS code: 39195 Located within: Colorado (CO), FIPS 08 Location: 40.115485 N, 105.387531 W ZIP Codes (1990): 80455 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Jamestown, CO Jamestown