 The population density was 12 people per square mile (5/km²).There were 4,238 housing units at an average density of 6 per square mile (2/km²).The racial makeup of the county was 88.66% White, 0.12% Black or African American, 8.94% Native American, 0.15% Asian, 0.05% Pacific Islander, 0.25% from other races, and 1.82% from two or more races.