As of the 2010 United States Census, there were 53,873 people, 21,463 households, and 11,963 families residing in the county. The population density was . There were 23,425 housing units at an average density of . The racial makeup of the county was 92.9% white, 3.8% black or African American, 1.0% Asian, 0.2% American Indian, 0.6% from other races, and 1.5% from two or more races. Those of Hispanic or Latino origin made up 2.1% of the population. In terms of ancestry, 25.6% were German, 16.4% were Irish, 11.1% were American, 10.0% were English, 3.4% were Polish, 2.9% were Italian, 2.5% were French, 2.1% were Dutch and 1.9% were Scots-Irish.