 According to the United States Census Bureau, the township has a total area of 19.6 square miles (50.8 km²), all of it land.Pleasant Valley Township is bordered by Sharon Township to the north, Clara Township to the east, Roulette Township to the south and McKean County to the west.As of the census of 2000, there were 80 people, 32 households, and 20 families residing in the township.