 The population density was 20.1 people per square mile (7.8/km²).There were 273 housing units at an average density of 7.6/sq mi (2.9/km²).The racial makeup of the township was 98.90% White, 0.14% Native American, 0.55% Asian, 0.28% from other races, and 0.14% from two or more races.