 The population density was 37 people per square mile (14/km²).There were 16,583 housing units at an average density of 23 per square mile (9/km²).The racial makeup of the county was 94.80% White, 0.25% Black or African American, 2.55% Native American, 0.20% Asian, 0.02% Pacific Islander, 0.15% from other races, and 2.05% from two or more races.