As of the census of 2000, there were 23,325 people, 8,860 households, and 6,326 families residing in the county. The population density was 53 people per square mile (21/km2). There were 9,337 housing units at an average density of 21 per square mile (8/km2). The racial makeup of the county was 98.22% White, 0.48% Black or African American, 0.06% Native American, 0.52% Asian, 0.02% Pacific Islander, 0.10% from other races, and 0.60% from two or more races. 0.56% of the population were Hispanic or Latino of any race.