Ukiah, CA -- U.S. city in California Population (2000): 15497 Housing Units (2000): 6137 Land area (2000): 4.732057 sq. miles (12.255972 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.732057 sq. miles (12.255972 sq. km) FIPS code: 81134 Located within: California (CA), FIPS 06 Location: 39.148761 N, 123.208612 W ZIP Codes (1990): 95482 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ukiah, CA Ukiah