Atherton, CA -- U.S. town in California Population (2000): 7194 Housing Units (2000): 2505 Land area (2000): 4.901912 sq. miles (12.695893 sq. km) Water area (2000): 0.028216 sq. miles (0.073080 sq. km) Total area (2000): 4.930128 sq. miles (12.768973 sq. km) FIPS code: 03092 Located within: California (CA), FIPS 06 Location: 37.458615 N, 122.200099 W ZIP Codes (1990): 94027 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Atherton, CA Atherton