Sumner township
- County:
- Fillmore County
- County Seat:
- No
- Area (mi²):
- 37.535
- State:
- Minnesota
Sumner township is located in Fillmore County, Minnesota. Sumner township has a 2026 population of 501. Sumner township is currently declining at a rate of 0% annually and its population has increased by 2.87% since the most recent census, which recorded a population of 487 in 2020.
The median household income in Sumner township is $86,667 with a poverty rate of 12.25%. The median age in Sumner township is 42.8 years: 45.3 years for males, and 41.3 years for females. For every 100 females there are 103.7 males.