sentences:  The population density was 616.4 people per square mile (238.0/km2).There were 3,311 housing units at an average density of 270.7 per square mile (104.5/km2).The racial makeup of the city was 50.90% Black or African American, 47.75% White, 0.09% Native American, 0.20% Asian, none Pacific Islander, 0.48% from other races, and 0.58% from two or more races.