| Name | Pennington County |
| State | South Dakota |
| FIPS Code | 46103 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 101,240 |
| Population Growth Rate(2000-2022) | 8.2% |
| Majority Ethnicity | White 83.77% |
| Public School Majority Ethnicity | White 67% |
| Partisan Voting Index | Republican:+12 |
| Unemployment Rate | 2.5% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 83.77% |
| African American | 1.39% |
| Hispanic | 0.03% |
| Asian | 1.13% |
| Native American | 5.87% |
| Hawaiin/Pacific Islander | 7.8% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 66.7% |
| African American | 1.42% |
| Hispanic | 7.23% |
| Asian | 1.08% |
| Native American | 17.1% |
| Hawaiin/Pacific Islander | 0.16% |