 There were 192,180 housing units at an average density of 301.7 per square mile (116.5 square kilometers).74.5% of the population were White, 20.7% Black or African American, 0.9% Asian, 0.5% Native American, 0.7% of some other race and 2.6% of two or more races.3.0% were Hispanic or Latino (of any race).