As of the census of 2000, there were 569 people, 238 households, and 158 families residing in the township. The population density was 2.9 per square mile (1.1/km2). There were 335 housing units at an average density of 1.7 per square mile (0.7/km2). The racial makeup of the township was 97.54% White, 0.88% Native American, 0.35% from other races, and 1.23% from two or more races. Hispanic or Latino of any race were 1.23% of the population. 68.0% were of Finnish, 5.9% German and 5.0% French ancestry according to Census 2000.