As of the 2000 United States Census there were 4,455 people, 1,581 households, and 1,305 families residing in the township. The population density was 155.3 people per square mile (60.0/km2). There were 1,624 housing units at an average density of 56.6 per square mile (21.9/km2). The racial makeup of the township was 96.97% White, 0.72% African American, 0.13% Native American, 0.92% Asian, 0.02% Pacific Islander, 0.47% from other races, and 0.76% from two or more races. Hispanic or Latino of any race were 1.53% of the population.