As of the census of 2000, there were 4,768 people, 2,010 households, and 1,404 families residing in the township. The population density was 671.8 people per square mile (259.3/km). There were 2,090 housing units at an average density of 294.5/sq mi (113.7/km). The racial makeup of the township was 97.50% White, 0.29% African American, 0.06% Native American, 1.41% Asian, 0.06% Pacific Islander, 0.17% from other races, and 0.50% from two or more races. Hispanic or Latino of any race were 0.63% of the population.