As of the census of 2000, there were 4,720 people, 1,972 households, and 1,317 families residing in the township. The population density was 267.5 per square mile (103.3/km2). There were 2,034 housing units at an average density of 115.3 per square mile (44.5/km2). The racial makeup of the township was 81.21% White, 2.25% African American, 0.17% Native American, 13.58% Asian, 0.06% Pacific Islander, 0.85% from other races, and 1.89% from two or more races. Hispanic or Latino of any race were 2.22% of the population.