As of the 2000 United States Census, of 2000, there were 444 people, 185 households, and 138 families residing in the county. The population density was 0.618 people per square mile (0.239/km2). There were 273 housing units at an average density of 0.380 per square mile (0.147/km2). The racial makeup of the county was 96.40% White, 0.23% Native American, 0.68% Asian, 0.23% Pacific Islander, 0.90% from other races, and 1.58% from two or more races. 1.35% of the population were Hispanic or Latino of any race. 50.4% were of German, 13.1% English, 6.2% Irish and 5.7% Swedish ancestry.