[2] The Buffalo Presbyterian Church was added to the National Register of Historic Places in 1976.

[3] According to the United States Census Bureau, the township has a total area of 30.6 square miles (79 km2), all land.

As of the census[5] of 2000, there were 3,207 people, 1,166 households, and 895 families residing in the township.

There were 1,215 housing units at an average density of 39.7 per square mile (15.3/km2).

21.0% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.