 The population density was 13.2 per square mile (5.1/km²).There were 706 housing units at an average density of 10.0 per square mile (3.9/km²).The racial makeup of the township was 97.08% White, 0.11% African American, 0.76% Native American, 0.11% from other races, and 1.95% from two or more races.