Diego was 58.9% White , 6.7% African American , 0.6% Native American , 15.9% Asian (5.9% Filipino , 2.7% Chinese , 2.5% Vietnamese , 1.3% Indian , 1.0% Korean , 0.7% Japanese , 0.4% Laotian , 0.3% Cambodian , 0.1% Thai ). 0.5% Pacific Islander , 12.3% from other races ,