As of the census of 2000, there were 4,492 people, 1,623 households, and 1,283 families residing in the township. The population density was 133.9 per square mile (51.7/km2). There were 1,703 housing units at an average density of 50.8 per square mile (19.6/km2). The racial makeup of the township was 97.57% White, 0.22% African American, 0.33% Native American, 0.18% Asian, 0.02% Pacific Islander, 0.56% from other races, and 1.11% from two or more races. Hispanic or Latino of any race were 1.91% of the population.