Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 35.878
- State:
- Kansas
Washington township is located in Washington County, Kansas. Washington township has a 2026 population of 45. Washington township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 45 in 2020.