As of the 2010 United States Census, there were 27,153 people, 10,716 households, and 7,382 families living in the county. The population density was . There were 12,161 housing units at an average density of . The racial makeup of the county was 68.8% white, 28.0% black or African American, 0.5% Asian, 0.3% American Indian, 1.2% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 2.2% of the population. In terms of ancestry, 21.4% were American, 13.1% were Irish, 9.3% were English, and 6.3% were German.