 There were 5,543 housing units at an average density of 3 per square mile (1/km²).The racial makeup of the county was 80.22% White, 0.54% Black or African American, 0.53% Native American, 0.11% Asian, 0.03% Pacific Islander, 15.46% from other races, and 3.11% from two or more races.87.99% of the population were Hispanic or Latino of any race.