[3] An Agricultural Security Area was founded in 1989 in the township to protect farmland and covers 8,317 acres.
[4] The Birmingham Bridge was listed on the National Register of Historic Places in 1988.
[5] According to the United States Census Bureau, the township has a total area of 29.5 square miles (76.4 km2), all land.
The racial makeup of the township was 98.9% White, 0.6% Black or African American, and 0.5% from two or more races.
18.8% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older.