As of the census of 2000, there were 11,979 people, 4,834 households, and 3,267 families residing in the township. The population density was 371.3 per square mile (143.4/km2). There were 5,232 housing units at an average density of 162.2 per square mile (62.6/km2). The racial makeup of the township was 93.51% White, 2.11% African American, 0.68% Native American, 1.29% Asian, 0.03% Pacific Islander, 0.82% from other races, and 1.58% from two or more races. Hispanic or Latino of any race were 2.31% of the population.