| Place Name | Union Township (Jefferson County) |
| Place Type | Township |
| ZIP Code(s) | 15825 15829 15860 |
| County | Jefferson County |
| Area Code(s) | 814 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 861 |
| Majority Ethnicity | White 96.36% |
| US Congressional District(s) | Pennsylvania 5th |
| State House Districts | 66 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.36% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.64% |