Fort Pierre Map
Fort Pierre is a city in Stanley County, South Dakota, United States. It is part of the Pierre, South Dakota Micropolitan Statistical Area. The population was 2,078 at the 2010 census. It is the county seat of Stanley County. Lily Park, in Fort Pierre, is situated at the mouth of the Bad River. The site where the Lewis and Clark Expedition met with the Teton Sioux is located nearby. It derives its name from Pierre Chouteau, Jr., a fur trader who established the fort.
Fort Pierre is located at 44°21?32?N 100°22?33?W / 44.35889°N 100.37583°W / 44.35889; -100.37583 (44.358941, -100.375742).
According to the United States Census Bureau, the city has a total area of 3.0 square miles (7.6 km²), of which, 2.9 square miles (7.5 km²) of it is land and 0.1 square miles (0.1 km²) of it (1.69%) is water.
Nearby cities include Pierre.