As of the census of 2010, there were 18,570 people, 6,279 households, and 4,502 families residing in the county. The population density was 29 people per square mile (11/km2). There were 7,058 housing units at an average density of 12 per square mile (5/km2). The racial makeup of the county was 60.4% White, 37.2% Black or African American, 0.3% Native American, 0.2% Asian, 0.0% Pacific Islander, 0.3% from other races, and 1.4% from two or more races. 1.1% of the population were Hispanic or Latino of any race.