As of the census of 2000, there were 1,621 people, 596 households, and 463 families residing in the township. The population density was 50.5 people per square mile (19.5/km2). There were 823 housing units at an average density of 25.6/sq mi (9.9/km2). The racial makeup of the township was 95.37% White, 0.06% African American, 1.73% Native American, 0.12% Asian, 0.19% from other races, and 2.53% from two or more races. Hispanic or Latino of any race were 0.31% of the population.