sentences:  The population density was 4 people per square mile (1/km2).There were 8,959 housing units at an average density of 2 per square mile (1/km2).The racial makeup of the county was 81.50% White, 0.32% Black or African American, 1.47% Native American, 0.32% Asian, 0.01% Pacific Islander, 12.80% from other races, and 3.59% from two or more races.