| Place Name | Washington Township (Sanilac County) |
| Place Type | Township |
| ZIP Code(s) | 48401 48419 |
| County | Sanilac County |
| Area Code(s) | 810 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,461 |
| Majority Ethnicity | White 96.49% |
| US Congressional District(s) | Michigan 10th |
| State House Districts | 83 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.49% |
| African American | 0.7% |
| Hispanic | 0.35% |
| Asian | 0.28% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.18% |