| Place Name | Jefferson Township (Somerset County) |
| Place Type | Township |
| ZIP Code(s) | 15501 15502 15622 15687 |
| County | Somerset County |
| Area Code(s) | 814 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,267 |
| Majority Ethnicity | White 95.9% |
| Metro/Micro Stats Area | Somerset, PA |
| US Congressional District(s) | Pennsylvania 12th |
| State House Districts | 69 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.9% |
| African American | 0.77% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.33% |