As of the census[1] of 2000, there were 641 people, 249 households, and 199 families residing in the township.

There were 406 housing units at an average density of 13.4 per square mile (5.2/km2).

The racial makeup of the township was 97.66% White, 0.16% Native American, 1.40% Asian, and 0.78% from two or more races.

There were 249 households, out of which 30.1% had children under the age of 18 living with them, 75.9% were married couples living together, 1.6% had a female householder with no husband present, and 19.7% were non-families.

16.1% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older.