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. Two are elected in the year after the presidential election and one is elected in the year before it. There is also an elected township fiscal officer, 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. Vacancies in the fiscal officership or on the board of trustees are filled by the remaining trustees. The current chairperson is Roy A. Hollenbacher.

Schools

Bath Township is serviced by one school district, Bath Local School District

Bath Local School District

Bath Local School District is a public school system located in Bath Township near Lima, Ohio. It is the only school district in Bath Township. They are a member of the Western Buckeye League ....

. The district contains an elementary school, a junior high school, and a high school.