Preston Lake township
- County:
- Renville County
- County Seat:
- No
- Area (mi²):
- 37.252
- State:
- Minnesota
Preston Lake township is located in Renville County, Minnesota. Preston Lake township has a 2026 population of 242. Preston Lake township is currently declining at a rate of -0.41% annually and its population has decreased by -0.82% since the most recent census, which recorded a population of 244 in 2020.
The median household income in Preston Lake township is $78,750 with a poverty rate of 5.13%. The median age in Preston Lake township is 45.3 years: 45.6 years for males, and 43.5 years for females. For every 100 females there are 112.0 males.