
Lake township
- County:
- Roberts County
- County Seat:
- No
- Area (mi²):
- 36.829
- State:
- South Dakota
Lake township is located in Roberts County, South Dakota. Lake township has a 2025 population of 265. Lake township is currently growing at a rate of 1.15% annually and its population has increased by 3.52% since the most recent census, which recorded a population of 256 in 2020.
The average household income in Lake township is $81,975 with a poverty rate of 6.71%. The median age in Lake township is 58.2 years: 58.1 years for males, and 58.3 years for females.