 The population density was 67 people per square mile (26/km²).There were 18,554 housing units at an average density of 40 per square mile (15/km²).The racial makeup of the county was 94.33% White, 0.47% Black or African American, 3.11% Native American, 0.43% Asian, 0.03% Pacific Islander, 0.16% from other races, and 1.47% from two or more races.