As of the 2000 United States Census there were 66,327 people, 23,236 households, and 18,100 families residing in the township. The population density was 1,613.0 people per square mile (622.8/km2). There were 23,841 housing units at an average density of 579.8 per square mile (223.9/km2). The racial makeup of the township was 94.71% White, 1.21% African American, 0.07% Native American, 2.59% Asian, 0.03% Pacific Islander, 0.53% from other races, and 0.86% from two or more races. Hispanic or Latino of any race were 3.41% of the population.