[1] According to the 2010 census, the township has a total area of 35.35 square miles (91.6 km2), all land.

Clarion was a station on what is now the Burlington Northern mainline a few miles southwest of Mendota.

Wendel station was on a Burlington Northern branch line about four miles west of Mendota.

A grain elevator (at one time operated by the Wendel family) was the only structure other than nearby farmsteads.

The township contains these five cemeteries: Clarion Lutheran, Erbes, German Evangelical, Hetzler and Hill.