 The population density was 10.25/sqmi (3.96/km²).There were 13,618 housing units at an average density of 4.13/sqmi (1.59/km²).The racial makeup of the county was 93.00% White, 0.35% Black or African American, 2.18% Native American, 0.74% Asian, 0.27% Pacific Islander, 1.78% from other races, and 1.67% from two or more races.