 The population density was 33.2 people per square mile (12.8/km2).There were 639 housing units at an average density of 13.2/sq mi (5.1/km2).The racial makeup of the township was 98.57% White, 0.19% African American, 0.37% Native American, 0.12% Asian, 0.12% from other races, and 0.62% from two or more races.