| Place Name | Washington Lake Township |
| Place Type | Township |
| ZIP Code(s) | 55338 55339 56011 56044 |
| County | Sibley County |
| Area Code(s) | 507,952 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 426 |
| Majority Ethnicity | White 99.76% |
| US Congressional District(s) | Minnesota 7th |
| State House Districts | 18B |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.76% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.24% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |