are 47,863 housing units at an average density of 5,794.0 per square mile (2,237.3/km²). The racial makeup of the city is 78.29%  White , 7.25%  Asian , 3.78%  African American , 0.47%  Native American , 0.10%  Pacific Islander , 5.97% from  other races , and 4.13% from two or more races.