| Place Name | West Pennington |
| Place Type | Unincorporated Territory |
| County | Pennington County |
| Area Code(s) | 605 |
| Timezone | Mountain Standard Time (MST) |
| Population (2021) | 1,660 |
| Majority Ethnicity | White 93.24% |
| Metro/Micro Stats Area | Rapid City, SD |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 30,33 |
| State Senate Districts | 30,33 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.24% |
| African American | 0% |
| Hispanic | 1.74% |
| Asian | 1.08% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.95% |