As of the census of 2000, there were 3,765 people, 1,330 households, and 1,095 families residing in the township. The population density was 220.7 people per square mile (85.2/km). There were 1,368 housing units at an average density of 80.2/sq mi (31.0/km). The racial makeup of the township was 98.25% White, 0.24% African American, 0.05% Native American, 0.32% Asian, 0.35% from other races, and 0.80% from two or more races. Hispanic or Latino of any race were 1.12% of the population.