 The population density was 31.8 people per square mile (12.3/km²).There were 663 housing units at an average density of 17.1/sq mi (6.6/km²).The racial makeup of the township was 99.35% White, 0.08% African American, 0.16% Native American, 0.08% Asian, 0.08% from other races, and 0.24% from two or more races.