As of the census of 2000, there were 12,102 people, 4,275 households, and 3,390 families residing in the township. The population density was 449.7 people per square mile (173.6/km). There were 4,370 housing units at an average density of 162.4/sq mi (62.7/km). The racial makeup of the township was 95.94% White, 1.54% African American, 0.09% Native American, 1.08% Asian, 0.02% Pacific Islander, 0.33% from other races, and 0.99% from two or more races. Hispanic or Latino of any race were 1.46% of the population.