As of the 2000 United States Census, there were 19,830 people, 7,498 households, and 5,443 families in the county. The population density was 26 people per square mile (10/km2). There were 8,266 housing units at an average density of 11 per square mile (4/km2). The racial makeup of the county was 98.49% White, 0.11% Black or African American, 0.29% Native American, 0.22% Asian, 0.01% Pacific Islander, 0.35% from other races, and 0.55% from two or more races. 1.03% of the population were Hispanic or Latino of any race.