As of the 2010 United States Census, there were 32,808 people, 11,622 households, and 9,346 families residing in the county. The population density was . There were 12,383 housing units at an average density of . The racial makeup of the county was 88.4% white, 5.0% black or African American, 3.1% Asian, 0.1% American Indian, 2.0% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 4.4% of the population. In terms of ancestry, 19.9% were English, 14.7% were American, 13.3% were Irish, and 12.2% were German.