sentences:  There were 71,267 housing units at an average density of .The racial makeup of the county was 76.2% white, 3.1% American Indian, 1.2% Asian, 0.9% black or African American, 0.1% Pacific islander, 15.1% from other races, and 3.6% from two or more races.Those of Hispanic or Latino origin made up 50.6% of the population.