 The population density was 6 people per square mile (2/km²).There were 5,672 housing units at an average density of 4 per square mile (2/km²).97.3% of the population were White, 1.1% Native American, 0.2% Asian, 0.1% Black or African American, 0.1% of some other race and 1.3% of two or more races.