Upland, CA -- U.S. city in California Population (2000): 68393 Housing Units (2000): 25467 Land area (2000): 15.118013 sq. miles (39.155472 sq. km) Water area (2000): 0.032921 sq. miles (0.085265 sq. km) Total area (2000): 15.150934 sq. miles (39.240737 sq. km) FIPS code: 81344 Located within: California (CA), FIPS 06 Location: 34.113259 N, 117.658386 W ZIP Codes (1990): 91786 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Upland, CA Upland