Located in the southeastern corner of the county, it borders the following townships: Part of the village of Venedocia is located in northwestern Jennings Township, along the border with York Township.

Van Wert County's most southerly point is located in Jennings Township.

Statewide, the only other Jennings Township is located in Putnam County.

[4] The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1.

There is also an elected township fiscal officer,[5] who serves a four-year term beginning on April 1 of the year after the election, which is held in November of the year before the presidential election.