 The population density was 3,209.8 people per square mile (1,239.3/km2).There were 45,508 housing units at an average density of 1,253.7 per square mile (484.1/km2).The racial makeup of the city was 63.6% White, 8.4% African American, 0.6% Native American, 13.4% Asian, 0.03% Pacific Islander, 10.8% some other race, and 3.1% from two or more races.