As of the census of 2000, there were 13,737 people, 4,745 households, and 3,796 families residing in the township. The population density was 386.2 per square mile (149.1/km2). There were 4,888 housing units at an average density of 137.4 per square mile (53.1/km2). The racial makeup of the township was 95.96% White, 1.08% African American, 0.64% Native American, 0.36% Asian, 0.01% Pacific Islander, 0.52% from other races, and 1.43% from two or more races. Hispanic or Latino of any race were 2.50% of the population.