 Pleasant Prairie Township was named for the typical landscapes within the township.According to the United States Census Bureau, the township has a total area of 36.0 square miles (93.2 km²), of which 35.8 square miles (92.7 km²) of it is land and 0.2 square miles (0.5 km²) of it (0.56%) is water.As of the census of 2000, there were 273 people, 113 households, and 82 families residing in the township.