As of the 2010 United States Census, there were 17,212 people, 6,339 households, and 4,594 families living in the county. The population density was . There were 7,287 housing units at an average density of . The racial makeup of the county was 67.0% white, 27.3% black or African American, 0.7% Asian, 0.2% American Indian, 3.4% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 5.9% of the population. In terms of ancestry, 21.5% were American, 9.9% were Irish, and 5.0% were German.