 There were 21,286 housing units at an average density of 10.5/sqmi (4.06/km²).The racial makeup of the county was 86.52% White, 0.11% Black or African American, 11.45% Native American, 0.28% Asian, 0.02% Pacific Islander, 0.14% from other races, and 1.47% from two or more races.0.81% of the population were Hispanic or Latino of any race.