 The population density was 51 people per square mile (20/km²).The 19,867 housing units averaged 22 per square mile (8/km²).The racial makeup of the county was 74.89% White, 19.21% Black or African American, 0.35% Native American, 0.24% Asian, 0.01% Pacific Islander, 4.22% from other races, and 1.09% from two or more races.