Pennington County, South Dakota

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Pennington County
Pennington County Courthouse.
Pennington County Courthouse.
Map of South Dakota highlighting Pennington County
Location within the U.S. state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location within the U.S.
Coordinates: 44°01′N 102°49′W / 44.01°N 102.82°W / 44.01; -102.82
Country United States
State South Dakota
Named forJohn L. Pennington
SeatRapid City
Largest cityRapid City
 • Total2,784 sq mi (7,210 km2)
 • Land2,777 sq mi (7,190 km2)
 • Water7.7 sq mi (20 km2)  0.3%%
 • Estimate 
 • Density36/sq mi (14/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional districtAt-large

Pennington County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 100,948,[1] making it the second-most populous county in South Dakota. Its county seat is Rapid City.[2] It was created in 1875.[3]

References[change | change source]

  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on July 16, 2011. Retrieved November 28, 2013.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 31, 2015.