Pennington County, South Dakota
Pennington County is a county located in the U.S. state of South Dakota. As of the 2020 census, the population was 109,222,[1] making it the second-most populous county in South Dakota. Its county seat is Rapid City.[2] It was created in 1875.[3]
Pennington County | |
|---|---|
 Pennington County Courthouse in Rapid City | |
 Location within the U.S. state of South Dakota | |
 South Dakota's location within the U.S. | |
| Coordinates: 44°01′N 102°49′W | |
| Country |  United States |
| State |  South Dakota |
| Founded | 1875 (created) 1877 (organized) |
| Named for | John L. Pennington |
| Seat | Rapid City |
| Largest city | Rapid City |
| Area | |
| • Total | 2,784 sq mi (7,210 km2) |
| • Land | 2,777 sq mi (7,190 km2) |
| • Water | 7.8 sq mi (20 km2) 0.3% |
| Population (2020) | |
| • Total | 109,222 |
| • Density | 40/sq mi (20/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | At-large |
| Website | www |
References
- "QuickFacts: Pennington County, South Dakota". United States Census Bureau. Retrieved January 20, 2024.
- "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.
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