
Big Stone township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 31.644
- State:
- South Dakota
Big Stone township is located in Grant County, South Dakota. Big Stone township has a 2025 population of 325. Big Stone township is currently growing at a rate of 1.25% annually and its population has increased by 3.17% since the most recent census, which recorded a population of 315 in 2020.
The average household income in Big Stone township is $121,111 with a poverty rate of 0.45%. The median age in Big Stone township is 32.9 years: 39 years for males, and 32.5 years for females.