Pennington County, South Dakota ZIP codes
10 ZIP codes are in Pennington County, plus 11 that cross in from neighboring counties. It's part of the Rapid City, SD metro area.
- ZIP codes
- 10
- Population in these ZIPs
- 103,728
- Avg. median income
- $74,400population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Pennington County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57701 | Rapid City | 45,795 | $56,461 | $299,900 |
| 57702 | Rapid City | 35,595 | $91,457 | $451,800 |
| 57703 | Rapid City | 18,013 | $83,739 | $359,900 |
| 57709 PO Box | Rapid City | — | — | — |
| 57725 | Caputa | 130 | $48,214 | $283,300 |
| 57745 | Hill City | 1,894 | $88,194 | $483,500 |
| 57751 | Keystone | 893 | $97,969 | $534,800 |
| 57775 | Quinn | 191 | $77,750 | $87,700 |
| 57780 | Scenic | 70 | $40,192 | — |
| 57790 | Wall | 1,147 | $75,096 | $310,300 |
ZIP codes partly in Pennington County
These ZIP codes are mostly in a neighboring county but cover part of Pennington County.
| ZIP code | City | State | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|---|
| 57706 | Ellsworth Afb | SD | Meade County | 2,787 | $57,162 | — |
| 57718 | Black Hawk | SD | Meade County | 7,937 | $84,162 | $378,200 |
| 57719 | Box Elder | SD | Meade County | 12,221 | $74,885 | $368,400 |
| 57730 | Custer | SD | Custer County | 5,596 | $83,469 | $477,300 |
| 57732 | Deadwood | SD | Lawrence County | 1,714 | $43,636 | $378,700 |
| 57744 | Hermosa | SD | Custer County | 2,421 | $106,250 | $596,500 |
| 57750 | Interior | SD | Jackson County | 365 | — | $175,000 |
| 57761 | New Underwood | SD | Meade County | 1,180 | $97,734 | $395,900 |
| 57767 | Owanka | SD | Meade County | 234 | $250,001 | — |
| 57791 | Wasta | SD | Meade County | 97 | $42,250 | $112,500 |
| 82701 | Newcastle | WY | Weston County | 5,459 | $90,922 | $245,100 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Pennington County
Nearby counties
Frequently asked questions
How many ZIP codes are in Pennington County, South Dakota?
10 ZIP codes are mainly in Pennington County, and 11 more ZIP codes from neighboring areas reach partly into it.
What cities are in Pennington County?
ZIP codes in Pennington County use the city names Caputa, Hill City, Keystone, Quinn, Rapid City, Scenic and Wall.
What metro area is Pennington County in?
Pennington County is part of the Rapid City, SD metropolitan statistical area.