Ripon, CA -- U.S. city in California Population (2000): 10146 Housing Units (2000): 3446 Land area (2000): 4.101883 sq. miles (10.623829 sq. km) Water area (2000): 0.071817 sq. miles (0.186006 sq. km) Total area (2000): 4.173700 sq. miles (10.809835 sq. km) FIPS code: 61026 Located within: California (CA), FIPS 06 Location: 37.740478 N, 121.128224 W ZIP Codes (1990): 95366 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ripon, CA Ripon