As of the 2000 United States Census, there were 11,236 people, 4,513 households, and 3,064 families in the county. The population density was 16.8/sqmi (6.47/km2). There were 5,827 housing units at an average density of 8.70/sqmi (3.36/km2/km2). The racial makeup of the county was 98.85% White, 0.20% Black or African American, 0.18% Native American, 0.08% Asian, 0.01% Pacific Islander, 0.18% from other races, and 0.50% from two or more races. 0.51% of the population were Hispanic or Latino of any race. 38.8% were of Norwegian and 31.6% German ancestry.