As of the 2010 United States Census, there were 15,994 people, 6,519 households, and 4,677 families living in the county. The population density was . There were 8,688 housing units at an average density of . The racial makeup of the county was 56.6% white, 38.2% black or African American, 0.3% Asian, 0.3% American Indian, 0.1% Pacific islander, 3.4% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 5.6% of the population. In terms of ancestry, 21.1% were American, 7.6% were English, and 6.1% were German.
