High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Warren Township is one of the sixteen townships of Belmont County, Ohio, United States. The 2000 census found 5,870 people in the township, 1,645 of whom lived in the unincorporated portions of the township. It is one of five Warren 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.