As of the census of 2000, there were 3,617 people, 1,277 households, and 1,039 families residing in the township. The population density was 184.1 people per square mile (71.1/km2). There were 1,308 housing units at an average density of 66.6/sq mi (25.7/km2). The racial makeup of the township was 98.09% White, 0.17% African American, 0.25% Native American, 0.55% Asian, 0.11% from other races, and 0.83% from two or more races. Hispanic or Latino of any race were 0.69% of the population.