Vail, CO -- U.S. town in Colorado Population (2000): 4531 Housing Units (2000): 5389 Land area (2000): 4.535670 sq. miles (11.747331 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.535670 sq. miles (11.747331 sq. km) FIPS code: 80040 Located within: Colorado (CO), FIPS 08 Location: 39.635757 N, 106.362984 W ZIP Codes (1990): 81657 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Vail, CO Vail