"735557.0"^^ . "Castro Valley"@en . . "1.68"^^ . "-7" . "4.382e+07"^^ . "U. S. Congress"@en . "State Senate"@en . "735000.0"^^ . . . "Castro Valley is a census-designated place (CDP) in Alameda County, California, United States. As of the 2000 census, it is the fifth most populous unincorporated area in California, and the twenty-third in the United States. The population was 61,388 at the 2010 census.Castro Valley is named after Don Guillermo Castro, who was a soldier in the Mexican army and a rancher.First known for chicken ranches, Castro Valley eventually became a bedroom community."@en . . "4.3819e+07"^^ . "94546, 94552" . . "510" . . "State Assembly"@en . "49.0728"^^ . "61388"^^ . "1424.83"^^ . . "4.3083e+07"^^ . "-8" . "4.30845e+07"^^ .