
Lake Marshall township
- County:
- Lyon County
- County Seat:
- No
- Area (mi²):
- 28.283
- State:
- Minnesota
Lake Marshall township is located in Lyon County, Minnesota. Lake Marshall township has a 2025 population of 549. Lake Marshall township is currently declining at a rate of -0.36% annually and its population has decreased by -0.9% since the most recent census, which recorded a population of 554 in 2020.
The average household income in Lake Marshall township is $138,602 with a poverty rate of 1.9%. The median age in Lake Marshall township is 36.5 years: 35.2 years for males, and 38.5 years for females.