High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Bethel Township is one of the eighteen townships of Monroe County, Ohio, United States. The 2000 census found 357 people in the township. No municipalities are located in Bethel Township, although the unincorporated community of Sycamore Valley lies in the township's north. Statewide, other Bethel Townships are located in Clark and Miami Counties.