As of the 2010 United States Census, there were 27,038 people, 10,140 households, and 7,135 families living in the county. The population density was . There were 12,162 housing units at an average density of . The racial makeup of the county was 82.2% white, 2.8% Asian, 2.7% black or African American, 1.0% American Indian, 0.4% Pacific islander, 6.8% from other races, and 4.1% from two or more races. Those of Hispanic or Latino origin made up 15.2% of the population. In terms of ancestry, 20.4% were German, 13.5% were English, 12.4% were Irish, and 9.0% were American.