High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Beaver Township is one of the fourteen townships of Pike County, Ohio, United States. The 2000 census found 1,450 people in the township, 1,269 of whom lived in the unincorporated portions of the township. Part of the village of Beaver is located in southeastern Beaver Township. The township has an area of 23.5 sq mi, 80% of which is wooded, and the rest is mainly agricultural.