As of the 2010 United States Census, there were 33,503 people, 13,255 households, and 9,168 families in the county. The population density was . There were 14,645 housing units at an average density of . The racial makeup of the county was 95.5% white, 1.8% black or African American, 0.5% Asian, 0.2% American Indian, 0.5% from other races, and 1.6% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 28.3% were German, 24.3% were American, 13.1% were Irish, and 11.7% were English.