584.8/km² (1,514.6/mi²). There are 21,836 housing units at an average density of 264.9/km² (686.1/mi²). The racial makeup of the city is 56.35% White , 33.39% African American , 0.38% Native American , 0.98% Asian , 0.10% Pacific Islander , 5.69% from other races , and 3.11% from two or more races. 14.49%