As of the census of 2000, there were 4,518 people, 1,452 households, and 917 families residing in the township. The population density was 2,864.6 people per square mile (1,104.1/km). There were 1,556 housing units at an average density of 986.6/sq mi (380.2/km). The racial makeup of the township was 95.40% White, 1.08% African American, 0.02% Native American, 1.24% Asian, 0.11% Pacific Islander, 0.97% from other races, and 1.17% from two or more races. Hispanic or Latino of any race were 1.79% of the population.