As of the census of 2000, there were 4,668 people, 1,578 households, and 1,292 families residing in the township. The population density was 139.9 people per square mile (54.0/km2). There were 1,662 housing units at an average density of 49.8/sq mi (19.2/km2). The racial makeup of the township was 97.45% White, 0.30% African American, 0.39% Native American, 0.30% Asian, 0.11% Pacific Islander, 0.13% from other races, and 1.33% from two or more races. Hispanic or Latino of any race were 1.20% of the population.