 The population density was 54 people per square mile (21/km²).There were 18,818 housing units at an average density of 24 per square mile (9/km²).The racial makeup of the county was 64.34% White, 33.22% Black or African American, 0.34% Native American, 0.30% Asian, 0.02% Pacific Islander, 1.04% from other races, and 0.75% from two or more races.