Sumner township
- County:
- Reno County
- County Seat:
- No
- Area (mi²):
- 40.598
- State:
- Kansas
Sumner township is located in Reno County, Kansas. Sumner township has a 2026 population of 675. Sumner township is currently growing at a rate of 0.45% annually but its population has decreased by -0.15% since the most recent census, which recorded a population of 676 in 2020.
The median household income in Sumner township is $101,635 with a poverty rate of 0%. The median age in Sumner township is 42 years: 42.8 years for males, and 39.6 years for females. For every 100 females there are 96.6 males.