[1] According to the 2021 census gazetteer files, Bowling Green Township has a total area of 25.53 square miles (66.12 km2), all land.

[2] The township contains these five cemeteries: Antioch, Beck Private, Buchanan, Lorton and Oak Grove.

As of the 2020 census[1] there were 412 people, 111 households, and 101 families residing in the township.

There were 176 housing units at an average density of 6.89 per square mile (2.66/km2).

9.00% of all households were made up of individuals, and 9.00% had someone living alone who was 65 years of age or older.