
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 2025 population of 513. Sumner township is currently growing at a rate of 1.18% annually and its population has increased by 5.34% since the most recent census, which recorded a population of 487 in 2020.
The average household income in Sumner township is $121,305 with a poverty rate of 10.87%. The median age in Sumner township is 44.5 years: 43.3 years for males, and 46.5 years for females.