As of the census of 2000, there were 1,589 people, 602 households, and 441 families residing in the township. The population density was 30.0 per square mile (11.6/km). There were 767 housing units at an average density of 14.5 per square mile (5.6/km). The racial makeup of the township was 95.85% White, 0.19% African American, 0.76% Native American, 0.19% Asian, 1.76% from other races, and 1.26% from two or more races. Hispanic or Latino of any race were 4.59% of the population.