As of the 2010 United States Census, there were 82,752 people, 34,301 households, and 22,604 families residing in the county. The population density was . There were 38,679 housing units at an average density of . The racial makeup of the county was 88.6% white, 6.9% black or African American, 0.9% Asian, 0.3% American Indian, 0.8% from other races, and 2.5% from two or more races. Those of Hispanic or Latino origin made up 2.7% of the population. In terms of ancestry, 22.4% were German, 15.3% were American, 10.8% were English, and 10.2% were Irish.