| Place Name | South Fayette Township |
| Place Type | Township |
| County | Allegheny County |
| Area Code(s) | 412,878,724,878 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 17,913 |
| Majority Ethnicity | White 82.96% |
| Metro/Micro Stats Area | Pittsburgh, PA |
| US Congressional District(s) | Pennsylvania 18th |
| State House Districts | 46 |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.96% |
| African American | 2.43% |
| Hispanic | 0.27% |
| Asian | 11.99% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.34% |