Pennington County, South Dakota
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|Named for||John L. Pennington|
|Largest city||Rapid City|
|• Total||2,784 sq mi (7,210 km2)|
|• Land||2,777 sq mi (7,190 km2)|
|• Water||7.7 sq mi (20 km2) 0.3%%|
| • Estimate |
|• Density||36/sq mi (14/km2)|
|Time zone||UTC−7 (Mountain)|
|• Summer (DST)||UTC−6 (MDT)|
Pennington County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 100,948, making it the second-most populous county in South Dakota. Its county seat is Rapid City. It was created in 1875.
References[change | change source]
- "State & County QuickFacts". United States Census Bureau. Archived from the original on July 16, 2011. Retrieved November 28, 2013.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "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.