At the 2010 census, there were 19,220 people, 6,797 households, and 4,567 families living in the county. The population density was . There were 7,775 housing units at an average density of . The racial makeup of the county was 64.3% black or African American, 33.4% white, 0.3% Asian, 0.3% American Indian, 0.8% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 1.7% of the population. In terms of ancestry, 24.9% were American, and 5.1% were English.