As of the census of 2000, there were 3,529 people, 1,288 households, and 1,025 families residing in the township. The population density was 78.7 people per square mile (30.4/km2). There were 1,413 housing units at an average density of 31.5/sq mi (12.2/km2). The racial makeup of the township was 98.30% White, 0.60% African American, 0.20% Native American, 0.14% Asian, 0.20% from other races, and 0.57% from two or more races. Hispanic or Latino of any race were 0.99% of the population.