 The population density was 822.1 people per square mile (317.3/km2).There were 5,007 housing units at an average density of 377.4/sq mi (145.7/km2).The racial makeup of the township was 98.33% White, 0.48% African American, 0.03% Native American, 0.80% Asian, 0.09% from other races, and 0.28% from two or more races.