As of the 2010 census, there were 9,041 people, 4,072 households, and 2,502 families living in the county. The population density was . There were 5,569 housing units at an average density of . The racial makeup of the county was 86.1% white, 1.2% American Indian, 1.1% black or African American, 1.0% Asian, 7.2% from other races, and 3.4% from two or more races. Those of Hispanic or Latino origin made up 42.4% of the population. In terms of ancestry, 11.4% were American, 10.7% were English, 10.5% were German, and 9.8% were Irish.