As of the 2010 United States Census, there were 189,885 people, 74,081 households, and 47,742 families living in the county. The population density was . There were 82,690 housing units at an average density of . The racial makeup of the county was 46.3% white, 45.5% black or African American, 2.2% Asian, 0.4% American Indian, 0.2% Pacific islander, 2.4% from other races, and 3.0% from two or more races. Those of Hispanic or Latino origin made up 6.4% of the population. In terms of ancestry, 8.7% were Irish, 8.4% were German, 6.7% were English, and 6.3% were American.