Parker, CO -- U.S. town in Colorado Population (2000): 23558 Housing Units (2000): 8352 Land area (2000): 14.585348 sq. miles (37.775876 sq. km) Water area (2000): 0.018799 sq. miles (0.048690 sq. km) Total area (2000): 14.604147 sq. miles (37.824566 sq. km) FIPS code: 57630 Located within: Colorado (CO), FIPS 08 Location: 39.519488 N, 104.765833 W ZIP Codes (1990): 80134 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Parker, CO Parker