Genoa, CO -- U.S. town in Colorado Population (2000): 211 Housing Units (2000): 84 Land area (2000): 0.356206 sq. miles (0.922570 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.356206 sq. miles (0.922570 sq. km) FIPS code: 29680 Located within: Colorado (CO), FIPS 08 Location: 39.276479 N, 103.498850 W ZIP Codes (1990): 80818 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Genoa, CO Genoa