As of the census of 2000, there were 13,100 people, 4,944 households, and 3,821 families residing in the township. The population density was 249.2 people per square mile (96.2/km). There were 5,130 housing units at an average density of 97.6/sq mi (37.7/km). The racial makeup of the township was 95.92% White, 1.77% African American, 0.21% Native American, 0.57% Asian, 0.01% Pacific Islander, 0.34% from other races, and 1.18% from two or more races. Hispanic or Latino of any race were 1.25% of the population.