資料來源:San Jose Mercury News (Mar. 5 2013), 擴弧中的數字是5歲以上不說英語的
Spanish---------------9.5 million (4.6 million)
Chinese---------------926,918 (523,169)
Tagalog---------------706,785 (227,906)
Vietnamese------------460,203 (281,793)
Korean----------------347,778 (214,451)
Farsi(Persian)--------180,269 (72,594)
Armenian--------------174,358 (83,371)
Russian---------------142,278 (70,613)
Arabic----------------129,813 (43,915)
Khmer(Cambodian)------68,455 (38,017)