[3] Located in the western part of the county, it borders the following townships: Parts of the city of St. Marys are located in southern Noble Township.

The newly formed township was named in honor of Elisha Noble, an early local settler who served as county commissioner for Mercer and Auglaize counties.

[6][7] 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.

The majority of the township is in the Saint Marys City School District with a small western portion being in the Parkway Local School District.

The entire township is served by the Saint Marys (45885) post office.