sentences:  The population density was 482.3 people per square mile (186.2/km2).There were 8,449 housing units at an average density of 214.8 per square mile (82.9/km2).The racial makeup of the city was 77.72% White, 18.26% Black or African American, 0.40% Native American, 0.71% Asian, 0.02% Pacific Islander, 1.92% from other races, and 0.97% from two or more races.