As of the census of 2000, there were 44,963 people, 17,851 households, and 12,352 families residing in the county. The population density was 52 people per square mile (20/km2). There were 20,969 housing units at an average density of 24 per square mile (9/km2). The racial makeup of the county was 97.69% White, 0.14% Black or African American, 0.81% Native American, 0.32% Asian, 0.04% Pacific Islander, 0.32% from other races, and 0.69% from two or more races. 0.96% of the population were Hispanic or Latino of any race. 34.4% were of German, 21.8% Norwegian and 5.3% Irish ancestry.