 The population density was 283.0 people per square mile (109.3/km2).There were 1,646 housing units at an average density of 116.3/sq mi (44.9/km2).The racial makeup of the township was 98.70% White, 0.27% African American, 0.07% Native American, 0.50% Asian, 0.02% from other races, and 0.42% from two or more races.