As of the census of 2000, there were 4,655 people, 1,573 households, and 1,338 families residing in the township. The population density was 131.9 per square mile (50.9/km2). There were 1,646 housing units at an average density of 46.7 per square mile (18.0/km2). The racial makeup of the township was 98.17% White, 0.04% African American, 0.28% Native American, 0.34% Asian, 0.24% from other races, and 0.92% from two or more races. Hispanic or Latino of any race were 1.14% of the population.