
Belmont township
- County:
- Douglas County
- County Seat:
- No
- Area (mi²):
- 34.223
- State:
- South Dakota
Belmont township is located in Douglas County, South Dakota. Belmont township has a 2025 population of 70. Belmont township is currently growing at a rate of 2.94% annually and its population has increased by 6.06% since the most recent census, which recorded a population of 66 in 2020.
The average household income in Belmont township is $96,940 with a poverty rate of 2.94%. The median age in Belmont township is 34.5 years: 33.7 years for males, and 35.5 years for females.