Keystone, South Dakota

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Keystone, South Dakota
Business district in Keystone
Business district in Keystone
Motto(s): 
"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′37″N 103°25′34″W / 43.89361°N 103.42611°W / 43.89361; -103.42611Coordinates: 43°53′37″N 103°25′34″W / 43.89361°N 103.42611°W / 43.89361; -103.42611
CountryUnited States
StateSouth Dakota
CountyPennington
Area
 • Total2.86 sq mi (7.41 km2)
 • Land2.86 sq mi (7.41 km2)
 • Water0 sq mi (0 km2)
Elevation
4,331 ft (1,320 m)
Population
 (2010)
 • Total337
 • Estimate 
(2012[1])
342
 • Density117.8/sq mi (45.5/km2)
Time zoneUTC-7 (Mountain (MST))
 • Summer (DST)UTC-6 (MDT)
ZIP code
57751
Area code(s)605
FIPS code46-33820[2]
GNIS feature ID1261912[3]

Keystone is a town in the Black Hills region of Pennington County, South Dakota, United States. The population was 337 at the 2010 census. It is known for being the location of Mount Rushmore National Memorial, which is located just beyond city limits.

References[change | change source]

  1. "Population Estimates". United States Census Bureau. Archived from the original on 2013-06-17. Retrieved 2013-05-29.
  2. "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
  3. "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.