High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Jackson Township is one of the fifteen townships of Putnam County, Ohio, United States. The 2000 census found 939 people in the township. It is one of thirty-seven Jackson Townships statewide. 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.