 The population density was 531.5 people per square mile (205.2/km²).There were 16,799 housing units at an average density of 219.2/sq mi (84.7/km²).The racial makeup of the township was 97.42% White, 1.11% Black or African American, 0.08% Native American, 0.84% Asian, 0.04% Pacific Islander, 0.11% from other races, and 0.40% from two or more races.