According to the United States Census Bureau, the city has a total area of 14.04 square miles (36.36 km2), of which 13.93 square miles (36.08 km2) is land and 0.11 square miles (0.28 km2) is water, mainly consisting of the Puyallup River estuary.[1] Downtown and the valley neighborhoods of Puyallup would likely be damaged or destroyed in a moderate or large eruption of nearby Mount Rainier.