Milliken, CO -- U.S. town in Colorado Population (2000): 2888 Housing Units (2000): 903 Land area (2000): 5.713684 sq. miles (14.798374 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 5.713684 sq. miles (14.798374 sq. km) FIPS code: 50480 Located within: Colorado (CO), FIPS 08 Location: 40.331073 N, 104.859878 W ZIP Codes (1990): 80543 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Milliken, CO Milliken