 The population density was 19 people per square mile (7/km²).There were 9,238 housing units at an average density of 17 per square mile (7/km²).The ethnic makeup of the county was 98.36% White, 0.24% Black or African American, 0.36% Native American, 0.10% Asian, 0.10% from other races, and 0.84% from two or more ethnic groups.