As of the 2000 Census, there were 68,600 people, 26,306 households, and 18,572 families in the county. The population density was 28 people per square mile (11/km2). There were 29,585 housing units at an average density of 12 per square mile (5/km2). The racial makeup of the county was 92.96% White, 0.38% Black or African American, 1.22% Native American, 0.69% Asian, 0.18% Pacific Islander, 2.55% from other races, and 2.01% from two or more races. 5.37% of the population were Hispanic or Latino of any race. 18.7% were of German, 11.8% United States or American, 11.1% English, 8.7% Irish and 5.7% Norwegian ancestry.