Hanford, CA -- U.S. city in California Population (2000): 41686 Housing Units (2000): 14721 Land area (2000): 13.090761 sq. miles (33.904913 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 13.090761 sq. miles (33.904913 sq. km) FIPS code: 31960 Located within: California (CA), FIPS 06 Location: 36.333273 N, 119.646889 W ZIP Codes (1990): 93230 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hanford, CA Hanford