As of the 2000 United States Census, there were 5,757 people, 2,283 households, and 1,499 families in the county. The population density was 5 people per square mile (2/km2). There were 2,656 housing units at an average density of 2 per square mile (1/km2). The racial makeup of the county was 97.78% White, 0.10% Black or African American, 0.35% Native American, 0.50% Asian, 0.56% from other races, and 0.71% from two or more races. 1.35% of the population were Hispanic or Latino of any race. 48.9% were of German, 14.7% Norwegian, 6.7% American and 6.0% Irish ancestry. 92.3% spoke English, 5.7% German and 1.5% Spanish as their first language.