Yucaipa, CA -- U.S. city in California Population (2000): 41207 Housing Units (2000): 16112 Land area (2000): 27.779377 sq. miles (71.948254 sq. km) Water area (2000): 0.005146 sq. miles (0.013328 sq. km) Total area (2000): 27.784523 sq. miles (71.961582 sq. km) FIPS code: 87042 Located within: California (CA), FIPS 06 Location: 34.030275 N, 117.048613 W ZIP Codes (1990): 92399 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Yucaipa, CA Yucaipa