As of the 2010 United States Census, there were 59,689 people, 22,505 households, and 17,009 families residing in the county. The population density was . There were 24,203 housing units at an average density of . The racial makeup of the county was 95.0% white, 1.6% Asian, 1.3% black or African American, 0.2% American Indian, 0.5% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 1.6% of the population. In terms of ancestry, 35.3% were German, 15.4% were Irish, 13.4% were American, and 12.5% were English.