Pierpont Map
Pierpont is a town in Day County, South Dakota, United States. The population was 135 at the 2010 census.
Pierpont is located at 45°29?41?N 97°49?54?W / 45.49472°N 97.83167°W / 45.49472; -97.83167 (45.494826, -97.831530).
According to the United States Census Bureau, the town has a total area of 0.2 square miles (0.4 km²), all of it land.
Nearby cities include Bristol, Groton, Claremont, Roslyn, Webster.