 According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.5%) is water.As of the 2010 United States Census, there were 17,392 people living in the county.54.0% were White, 42.1% Black or African American, 0.3% Asian, 0.1% Native American, 2.5% of some other race and 1.0% of two or more races.