As of the census of 2000, there were 4,678 people, 1,602 households, and 1,291 families residing in the township. The population density was 130.8 per square mile (50.5/km2). There were 1,789 housing units at an average density of 50.0 per square mile (19.3/km2). The racial makeup of the township was 96.86% White, 0.13% African American, 0.58% Native American, 0.43% Asian, 0.02% Pacific Islander, 1.18% from other races, and 0.81% from two or more races. Hispanic or Latino of any race were 2.65% of the population.