| Place Name | Thompsonville |
| Place Type | Census Designated Place |
| ZIP Code(s) | 15317 |
| County | Washington County |
| Area Code(s) | 724,878 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 4,094 |
| Population Growth Rate (2010-19) | 5.23% |
| Majority Ethnicity | White 97.87% |
| 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 | 97.87% |
| African American | 0.21% |
| Hispanic | 0% |
| Asian | 1.47% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.45% |