sentences:  The population density was 31 people per square mile (12/km²).There were 4,389 housing units at an average density of 13 per square mile (5/km²).The racial makeup of the county was 63.7% White, 33.2% Black or African American, 0.5% Native American, 0.1% Asian, 0.1% Pacific Islander, 0.6% from other races, and 1.8% from two or more races; 1.4% of the population were Hispanic or Latino of any race.