
Brothersfield township
- County:
- Turner County
- County Seat:
- No
- Area (mi²):
- 28.453
- State:
- South Dakota
Brothersfield township is located in Turner County, South Dakota. Brothersfield township has a 2025 population of 182. Brothersfield township is currently growing at a rate of 0.55% annually and its population has increased by 5.2% since the most recent census, which recorded a population of 173 in 2020.
The average household income in Brothersfield township is $118,496 with a poverty rate of 0%. The median age in Brothersfield township is 50.3 years: 48.8 years for males, and 50.4 years for females.