As of the 2010 United States Census, there were 19,875 people, 7,527 households, and 5,393 families living in the county. The population density was . There were 9,289 housing units at an average density of . The racial makeup of the county was 61.1% white, 26.3% black or African American, 0.4% American Indian, 0.3% Pacific islander, 0.2% Asian, 10.3% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 14.4% of the population. In terms of ancestry, 17.8% were American, 14.7% were German, 8.6% were English, and 8.2% were Irish.