As of the census of 2000, there were 3,652 people, 1,222 households, and 944 families residing in the township. The population density was 166.6 people per square mile (64.4/km2). There were 1,302 housing units at an average density of 59.4/sq mi (22.9/km2). The racial makeup of the township was 98.03% White, 0.27% African American, 0.11% Native American, 1.01% Asian, 0.22% from other races, and 0.36% from two or more races. Hispanic or Latino of any race were 0.71% of the population.