Red Lake township
- County:
- Brule County
- County Seat:
- No
- Area (mi²):
- 30.161
- State:
- South Dakota
Red Lake township is located in Brule County, South Dakota. Red Lake township has a 2026 population of 81. Red Lake township is currently declining at a rate of -1.22% annually but its population has increased by 3.85% since the most recent census, which recorded a population of 78 in 2020.
The median household income in Red Lake township is $58,438 with a poverty rate of 0%. The median age in Red Lake township is 34.9 years: 34.5 years for males, and 41.3 years for females. For every 100 females there are 154.3 males.