 There were 39,731 housing units at an average density of .The racial makeup of the county was 90.6% white, 0.8% Asian, 0.8% American Indian, 0.6% black or African American, 0.1% Pacific islander, 5.1% from other races, and 2.1% from two or more races.Those of Hispanic or Latino origin made up 11.4% of the population.