As of the 2010 United States census, there were 11,048 people, 4,377 households, and 3,121 families living in the county. The population density was . There were 4,874 housing units at an average density of . The racial makeup of the county was 98.3% white, 0.3% black or African American, 0.2% Asian, 0.2% American Indian, 0.2% from other races, and 0.8% from two or more races. Those of Hispanic or Latino origin made up 0.7% of the population. In terms of ancestry, 30.6% were German, 17.4% were American, 11.7% were Irish, and 11.4% were English.
As of the 2010 United States census, there were 11,048 people, 4,377 households, and 3,121 families living in the county. The population density was  There were 4,874 housing units at an average density of . The racial makeup of the county was 98.3% white, 0.3% black or African American, 0.2% Asian, 0.2% American Indian, 0.2% from other races, and 0.8% from two or more races. Those of Hispanic or Latino origin made up 0.7% of the population. In terms of ancestry, 30.6% were German, 17.4% were American, 11.7% were Irish, and 11.4% were English.