1,366.0 per square mile (527.4 /km 2 ). The racial makeup of the city was 83.54% (17,926) White , 4.52% (970) African American , 0.14% (30) Native American , 6.38% (1,368) Asian , 0.01% (3) Pacific Islander , 2.84% (610) from other races , and 2.56% (550) from two or more races. Hispanic