 The population density was 50.9 per square mile (19.7/km²).There were 659 housing units at an average density of 18.5 per square mile (7.1/km²).The racial makeup of the township was 98.95% White, 0.11% African American, 0.28% Native American, 0.06% Asian, 0.06% Pacific Islander, 0.33% from other races, and 0.22% from two or more races.