Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 35.29
- State:
- Kansas
Washington township is located in Washington County, Kansas. Washington township has a 2026 population of 313. Washington township is currently growing at a rate of 0.64% annually and its population has increased by 1.95% since the most recent census, which recorded a population of 307 in 2020.
The median household income in Washington township is $72,891 with a poverty rate of 0%. The median age in Washington township is 33.4 years: 10 years for males, and 33.7 years for females. For every 100 females there are 88.3 males.