As of the 2010 census, its population was 830 and it contained 360 housing units.

[5] It was named for Jonathan Jennings, who was acting governor at the time of the township's organization.

[6] According to the 2010 census, the township has a total area of 18.17 square miles (47.1 km2), all land.

[4] The township contains three cemeteries: Mount Garrison, Simpson and Union.

This Fayette County, Indiana location article is a stub.