As of the census of 2000, there were 3,801 people, 1,321 households, and 1,051 families residing in the township. The population density was 104.8 per square mile (40.5/km2). There were 1,358 housing units at an average density of 37.4 per square mile (14.5/km2). The racial makeup of the township was 97.40% White, 0.50% African American, 0.39% Native American, 0.45% Asian, 0.29% from other races, and 0.97% from two or more races. Hispanic or Latino of any race were 0.97% of the population.