 The population density was 2.5 people per square mile (1.0/km²).There were 1,982 housing units at an average density of 2 per square mile (1/km²).The racial makeup of the county was 96.29% White, 1.41% Native American, 0.14% Asian, 0.06% Black or African American, 0.03% Pacific Islander, 0.92% from other races, and 1.15% from two or more races.