Wellington township
- County:
- Sumner County
- County Seat:
- No
- Area (mi²):
- 30.595
- State:
- Kansas
Wellington township is located in Sumner County, Kansas. Wellington township has a 2026 population of 321. Wellington township is currently declining at a rate of -0.31% annually but its population has increased by 0.31% since the most recent census, which recorded a population of 320 in 2020.
The median household income in Wellington township is $192,765 with a poverty rate of 0%. The median age in Wellington township is 62.7 years: 65.1 years for males, and 62.4 years for females. For every 100 females there are 111.4 males.