3,714.9 per square mile (1,434.5/km²). There were 55,464 housing units at an average density of 1,649.1/sq mi (636.8/km²). The racial makeup of the city was 41.39% White , 53.27% Black or African American , 0.64% Native American , 0.44% Asian , 0.02% Pacific Islander , 1.11% from other races , and 3.14%