As of the 2010 United States Census, there were 16,243 people, 6,457 households, and 4,379 families residing in the county. The population density was . There were 7,706 housing units at an average density of . The racial makeup of the county was 59.9% white, 35.3% black or African American, 0.3% Asian, 0.3% American Indian, 0.1% Pacific islander, 2.9% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 5.3% of the population. In terms of ancestry, 16.3% were American, 8.3% were Irish, 6.4% were English, and 5.9% were German.