As of the census of 2000, there were 20,824 people, 9,000 households, and 6,047 families residing in the county. The population density was 8 people per square mile (3/km2). There were 13,386 housing units at an average density of 5 per square mile (2/km2). The racial makeup of the county was 91.8% White, 0.6% Black or African American, 2.6% Native American, 0.5% Asian, 0.1% Pacific Islander, 1.8% from other races, and 2.6% from two or more races. 5.7% of the population were Hispanic or Latino of any race. 16.1% were of German, 15.0% English, 10.1% Irish and 8.0% American ancestry according to Census 2000. 95.4% spoke English and 3.6% Spanish as their first language.