0.5% Japanese, 0.3% Vietnamese, 0.3% Korean), 532 (0.6%) Pacific Islander , 8,136 (8.8%) from other races , and 6,497 (7.0%) from two or more races. Hispanic or Latino of any race were 21,121 persons (22.9%); 17.0% of Vacaville is Mexican, 0.9% Puerto Rican, 0.5% Salvadoran, 0.3% Nicaraguan, 0.2% Guatemalan, and 0.2%