
Banks Lake South
- County:
- Douglas County
- County Seat:
- No
- Area (mi²):
- 2.435
- State:
- Washington
Banks Lake South is a CDP located in Douglas County, Washington. Banks Lake South has a 2025 population of 203. Banks Lake South is currently growing at a rate of 1% annually and its population has increased by 79.65% since the most recent census, which recorded a population of 113 in 2020.
The average household income in Banks Lake South is $47,147 with a poverty rate of 10.19%. The median age in Banks Lake South is 48.6 years: 40.5 years for males, and 48.6 years for females.