sentences:  The population density was 4 people per square mile (2/km²).There were 15,298 housing units at an average density of 3 per square mile (1/km²).The racial makeup of the county was 83.60% White, 0.35% Black or African American, 1.95% Native American, 0.27% Asian, 0.06% Pacific Islander, 11.28% from other races, and 2.48% from two or more races.