 This township was named for Marsh Creek.According to the United States Census Bureau, the township has a total area of 37.7 square miles (97.5 km²), of which 37.7 square miles (97.5 km²) of it is land and 0.03% is water.As of the census of 2000, there were 128 people, 45 households, and 31 families residing in the township.