 There were 16,694 housing units at an average density of 26.2/sqmi (10.1/km²).The racial makeup of the county was 98.49% White, 0.18% Black or African American, 0.24% Native American, 0.40% Asian, 0.03% Pacific Islander, 0.18% from other races, and 0.48% from two or more races.0.59% of the population were Hispanic or Latino of any race.