As of the 2010 United States Census, there were 12,630 people, 4,822 households, and 3,531 families living in the county. The population density was . There were 5,292 housing units at an average density of . The racial makeup of the county was 74.6% white, 22.3% black or African American, 0.5% American Indian, 0.3% Asian, 0.1% Pacific islander, 1.0% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 2.4% of the population. In terms of ancestry, 12.0% were American, 9.9% were English, 9.8% were Irish, and 7.3% were German.