Pennington County, South Dakota Zip Codes
Pennington County is located in South Dakota with a county seat of Rapid City. It contains 8 zip codes with a total population of approximately 116,580.
County
Pennington
County Seat
Rapid City
Zip Codes
8
Land Area
2,776 sq mi
Pennington County is the second-most populous county in South Dakota. It is home to Rapid City, the Black Hills, Mount Rushmore, and Crazy Horse Memorial.
All Pennington County Zip Codes
| ZIP Code | City | Population | Type |
|---|---|---|---|
| 57701 | Rapid City | 45,795 | Standard |
| 57702 | Rapid City | 35,595 | Standard |
| 57703 | Rapid City | 18,013 | Standard |
| 57719 | Box Elder | 12,221 | Standard |
| 57761 | New Underwood | 1,180 | Standard |
| 57790 | Wall | 1,147 | Standard |
| 57745 | Hill City | 1,894 | Standard |
| 57751 | Keystone | 893 | Standard |
Ad Unit: county-mid
Pennington County Zip Code Map
Cities in Pennington County
Pennington County Demographics
116,580
Population
2,776
Land Area (sq mi)
8
Zip Codes
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures.