As of the 2010 United States Census, there were 98,733 people, 37,220 households, and 24,172 families living in the county. The population density was . There were 41,192 housing units at an average density of . The racial makeup of the county was 68.7% white, 24.2% black or African American, 2.5% Asian, 0.2% American Indian, 1.9% from other races, and 2.5% from two or more races. Those of Hispanic or Latino origin made up 4.5% of the population. In terms of ancestry, 15.7% were English, 15.1% were German, 13.6% were Irish, 6.0% were American, and 5.6% were Italian.