 The population density was 4 people per square mile (2/km²).There were 3,812 housing units at an average density of 2 per square mile (1/km²).The racial makeup of the county was 90.51% White, 0.32% Black or African American, 6.05% Native American, 0.23% Asian, 0.05% Pacific Islander, 0.30% from other races, and 2.54% from two or more races.