 The population density was 18 people per square mile (7/km²).There were 11,829 housing units at an average density of 13 per square mile (5/km²).The racial makeup of the county was 96.27% White, 0.30% Black or African American, 0.42% Native American, 0.38% Asian, 0.03% Pacific Islander, 1.77% from other races, and 0.84% from two or more races.