
Belmont township
- County:
- Spink County
- County Seat:
- No
- Area (mi²):
- 35.94
- State:
- South Dakota
Belmont township is located in Spink County, South Dakota. Belmont township has a 2025 population of 72. Belmont township is currently growing at a rate of 2.86% annually and its population has increased by 5.88% since the most recent census, which recorded a population of 68 in 2020.
The average household income in Belmont township is $76,128 with a poverty rate of 0%. The median age in Belmont township is 66.8 years: 64.7 years for males, and 73.2 years for females.