Pennington County, South Dakota
Pennington County is a county in South Dakota. Its county FIPS code is 46103. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 46103
- Representative coordinates
- 44.002349, -102.823801
- County type
- County
- County seat or government
- Rapid City
- Resident population, July 2025
- 116,792
- Land area
- 7,191.788 km²
- Water area
- 19.927 km²
- State
- South Dakota
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Pennington County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Denver | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
57701 · 57702 · 57703 · 57706 · 57718 · 57719 · 57725 · 57730 · 57732 · 57744 · 57745 · 57750 · 57751 · 57761 · 57767 · 57775 · 57780 · 57790 · 57791 · 82701
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Pennington County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.