| Place Name | Duncan Township |
| Place Type | Township |
| ZIP Code(s) | 16901 16912 16938 |
| County | Tioga County |
| Area Code(s) | 272,570 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 224 |
| Majority Ethnicity | White 100% |
| US Congressional District(s) | Pennsylvania 10th |
| State House Districts | 68 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |