 Moylan Township was organized in 1902, and named for Patrick Moylan, an early settler.According to the United States Census Bureau, the township has a total area of 45.1 square miles (116.9 km²), of which 45.1 square miles (116.9 km²) of it is land and 0.02% is water.As of the census of 2000, there were 128 people, 48 households, and 40 families residing in the township.