| Place Name | Summerville |
| Place Type | Borough |
| ZIP Code(s) | 15864 |
| County | Jefferson County |
| Area Code(s) | 814 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 494 |
| Population Growth Rate (2010-19) | -4.55% |
| Majority Ethnicity | White 98.97% |
| US Congressional District(s) | Pennsylvania 5th |
| State House Districts | 66 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.97% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.03% |