[2] The township was named for Menno Simons, an early Mennonite leader.

[3][4][5][6] According to the United States Census Bureau, the township has a total area of 23.8 square miles (61.7 km2), all land.

As of the census[8] of 2000, there were 1,763 people, 484 households, and 408 families residing in the township.

14.9% of all households were made up of individuals, and 7.9% had someone living alone who was sixty-five years of age or older.

In the township the population was spread out, with 40.0% under the age of eighteen, 10.0% from eighteen to twenty-four, 22.5% from twenty-five to forty-four, 16.6% from forty-five to sixty-four, and 10.9% who were sixty-five years of age or older.