Iliff, CO -- U.S. town in Colorado Population (2000): 213 Housing Units (2000): 112 Land area (2000): 0.251711 sq. miles (0.651929 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.251711 sq. miles (0.651929 sq. km) FIPS code: 38590 Located within: Colorado (CO), FIPS 08 Location: 40.758911 N, 103.065841 W ZIP Codes (1990): 80736 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Iliff, CO Iliff