 There were 20,676 housing units at an average density of 20 per square mile (8/km²).The racial makeup of the county was 66.15% White, 31.97% Black or African American, 0.24% Native American, 0.40% Asian, 0.01% Pacific Islander, 0.46% from other races, and 0.77% from two or more races.1.14% of the population were Hispanic or Latino of any race.