0.2% Japanese , 0.1% Cambodian ), 478 (0.1%) Pacific Islander , 77,686 (22.4%) from other races , and 17,068 (4.9%) from two or more races. Hispanic or Latino of any race were 158,205 persons (45.5%). Among the Hispanic population, 39.5% are Mexican , 1.3% Salvadoran , 0.5% Guatemalan , and 0.5%