Capital: Pierre(
![Star shaped icon located on map pinpointing capital. Star shaped icon located on map pinpointing capital.](https://webarchive.library.unt.edu/web/20120928034425im_/http://www.usgs.gov/state/images/icons/captial_star.gif)
)
Land Area: 75,885 sq. miles
(source: 2010 Census)
Population: 814,180
(source: 2010 Census estimate)
Highest Point:
Harney Peak at 7,242 feet, located in the county/subdivision of Pennington
(source: U.S. Geological Survey)
Lowest Point:
Big Stone Lake at 966 feet, located in the county/subdivision of Roberts
(source: U.S. Geological Survey)
Geographic Center:
Located in Hughes County approx. 8 miles northeast of Pierre
(source: U.S. Geological Survey)