 The population density was 1,570.4 people per square mile (606.5/km2).There were 6,865 housing units at an average density of 641.4/sq mi (247.7/km2).The racial makeup of the township was 94.32% White, 2.14% African American, 0.06% Native American, 1.83% Asian, 0.02% Pacific Islander, 0.63% from other races, and 0.99% from two or more races.