There are 53,753 housing units at an average density of 946.0 persons/km² (2,450.4 persons/sq mi). The racial makeup of the city is 53.27% White , 32.27% Asian , 2.22% African American , 0.46% Native American , 0.32% Pacific Islander , 7.19% from other races , and 4.25% from two or more races.