As of the census of 2000, there were 723 people, 270 households, and 201 families residing in the township. The population density was 88.4 people per square mile (34.1/km). There were 274 housing units at an average density of 33.5/sq mi (12.9/km). The racial makeup of the township was 98.34% White, 0.28% African American, 0.14% Native American, 0.55% Asian, 0.28% from other races, and 0.41% from two or more races. Hispanic or Latino of any race were 0.28% of the population.