Charleston township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 35.454
- State:
- Kansas
Charleston township is located in Washington County, Kansas. Charleston township has a 2026 population of 65. Charleston township is currently declining at a rate of 0% annually and its population has increased by 1.56% since the most recent census, which recorded a population of 64 in 2020.
The median household income in Charleston township is $68,281 with a poverty rate of 0%. The median age in Charleston township is 42.1 years: 19.9 years for males, and 42.3 years for females. For every 100 females there are 121.6 males.