As of the census of 2000, there were 4,470 people, 1,657 households, and 1,267 families residing in the township. The population density was 243.0 people per square mile (93.8/km2). There were 1,738 housing units at an average density of 94.5/sq mi (36.5/km2). The racial makeup of the township was 97.25% White, 0.81% African American, 0.04% Native American, 0.94% Asian, 0.02% Pacific Islander, 0.13% from other races, and 0.81% from two or more races. Hispanic or Latino of any race were 1.05% of the population.