As of the 2010 United States Census, there were 37,762 people, 14,005 households, and 9,760 families residing in the county. The population density was . There were 15,311 housing units at an average density of . The racial makeup of the county was 93.4% white, 3.5% black or African American, 0.4% Asian, 0.2% American Indian, 1.2% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 2.8% of the population. In terms of ancestry, 54.8% were Germans, 9.8% were Irish people, 5.8% were English people, and 5.6% were Americans.. Which group in the census from the county is bigger: white or American Indian?