
Underwood township
- County:
- Otter Tail County
- County Seat:
- No
- Area (mi²):
- 35.065
- State:
- Minnesota
Underwood township is located in Otter Tail County, Minnesota. Underwood township has a 2025 population of 165. Underwood township is currently growing at a rate of 0.61% annually and its population has increased by 1.23% since the most recent census, which recorded a population of 163 in 2020.
The average household income in Underwood township is $111,623 with a poverty rate of 6.19%. The median age in Underwood township is 42.5 years: 37.4 years for males, and 49.3 years for females.