| Place Name | Washington Township (Northumberland County) |
| Place Type | Township |
| ZIP Code(s) | 17823 17867 |
| County | Northumberland County |
| Area Code(s) | 272,570 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 785 |
| Majority Ethnicity | White 99.36% |
| Metro/Micro Stats Area | Sunbury, PA |
| US Congressional District(s) | Pennsylvania 11th |
| State House Districts | 107 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.36% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.64% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |