 The population density was 93 people per square mile (36/km²).There were 6,820 housing units at an average density of 38 per square mile (15/km²).The racial makeup of the county was 76.7% White, 17.9% Black or African American, 0.5% Native American, 1.2% Asian, 0.1% Pacific Islander, 0.8% from other races, and 2.9% from two or more races.