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Keystone, South Dakota

Keystone, South Dakota
Business district in Keystone
Business district in Keystone
Motto: 
"Home of Mount Rushmore"
Location in Pennington County and the state of South Dakota
Location in Pennington County and the state of South Dakota
Coordinates: 43°53′42″N 103°25′36″W / 43.89500°N 103.42667°W / 43.89500; -103.42667
CountryUnited States
StateSouth Dakota
CountyPennington
Area
  Total3.00 sq mi (7.77 km2)
  Land3.00 sq mi (7.77 km2)
  Water0.00 sq mi (0.00 km2)
Elevation4,554 ft (1,388 m)
Population
  Total240
  Density80.00/sq mi (30.89/km2)
Time zoneUTC-7 (Mountain (MST))
  Summer (DST)UTC-6 (MDT)
ZIP code
57751
Area code605
FIPS code46-33820[4]
GNIS feature ID1267444[2]

Keystone is a town in the Black Hills region of Pennington County, South Dakota, United States. The population was 240 at the 2020 census.[3] It is known for being the location of Mount Rushmore National Memorial, which is located just beyond city limits.

References

[change | change source]
  1. "ArcGIS REST Services Directory". United States Census Bureau. Retrieved October 15, 2022.
  2. 1 2 U.S. Geological Survey Geographic Names Information System: Keystone, South Dakota
  3. 1 2 "Profile of General Population and Housing Characteristics: 2020 Demographic Profile Data (DP-1): Keystone town, South Dakota". United States Census Bureau. Retrieved February 15, 2024.
  4. "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.