[2] The Frehn Bridge was listed on the National Register of Historic Places in 1990.

[3] According to the United States Census Bureau, the township has a total area of 27.9 square miles (72.2 km2), all land.

As of the census[5] of 2000, there were 612 people, 241 households, and 180 families residing in the township.

There were 241 households, out of which 32.4% had children under the age of 18 living with them; 63.5% were married couples living together, 5.4% had a female householder with no husband present, and 25.3% were non-families.

22.0% of all households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older.