 The population density was 36 people per square mile (14/km²).There were 18,129 housing units at an average density of 17 per square mile (7/km²).The racial makeup of the county was 55.52% White, 42.18% Black or African American, 0.63% Native American, 0.25% Asian, 0.04% Pacific Islander, 0.56% from other races, and 0.82% from two or more races.