As of the census of 2000, there were 577 people, 206 households, and 152 families residing in the township. The population density was 15.6 people per square mile (6.0/km). There were 219 housing units at an average density of 5.9/sq mi (2.3/km). The racial makeup of the township was 64.82% White, 0.35% African American, 30.68% Native American, 0.17% Asian, 0.52% from other races, and 3.47% from two or more races. Hispanic or Latino of any race were 1.91% of the population.