| Place Name | Upper St. Clair Township |
| Place Type | Township |
| County | Allegheny County |
| Area Code(s) | 412,878,724,878 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 20,938 |
| Majority Ethnicity | White 90.7% |
| Metro/Micro Stats Area | Pittsburgh, PA |
| US Congressional District(s) | Pennsylvania 18th |
| State House Districts | 40 |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.7% |
| African American | 1.19% |
| Hispanic | 0.08% |
| Asian | 6.71% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.33% |