As of the census of 2000, there were 13,459 people, 5,240 households, and 3,825 families residing in the township. The population density was 274.1 per square mile (105.8/km2). There were 5,568 housing units at an average density of 113.4 per square mile (43.8/km2). The racial makeup of the township was 97.04% White, 0.82% African American, 0.31% Native American, 0.33% Asian, 0.02% Pacific Islander, 0.31% from other races, and 1.17% from two or more races. Hispanic or Latino of any race were 1.62% of the population.