As of the 2010 United States Census, there were 91,738 people, 37,576 households, and 24,340 families in the county. The population density was . There were 40,462 housing units at an average density of . The racial makeup of the county was 88.5% white, 2.5% black or African American, 1.1% Asian, 1.0% American Indian, 0.2% Pacific islander, 3.8% from other races, and 3.1% from two or more races. Those of Hispanic or Latino origin made up 13.1% of the population. In terms of ancestry, 29.5% were German, 15.5% were Irish, 12.7% were English, and 4.9% were American.