As of the census of 2010, there were 12,289 people, 4,875 households, and 3,111 families residing in the township. The population density was 262.4 people per square mile (101.3/km). There were 5,111 housing units at an average density of 109.1/sq mi (42.1/km). The racial makeup of the township was 96.6% White, 1.2% African American, 0.1% Native American, 0.9% Asian, 0.02% Pacific Islander, 0.2% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 0.9% of the population.