Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 44.907
- State:
- Kansas
Washington township is located in Washington County, Kansas. Washington township has a 2026 population of 453. Washington township is currently declining at a rate of -1.09% annually and its population has decreased by -3.41% since the most recent census, which recorded a population of 469 in 2020.
The median household income in Washington township is $59,079 with a poverty rate of 25.52%. The median age in Washington township is 40.8 years: 40.7 years for males, and 40.8 years for females. For every 100 females there are 77.0 males.