
Marshall
- County:
- Lyon County
- County Seat:
- Yes
- Area (mi²):
- 10.341
- State:
- Minnesota
Marshall is a city located in Lyon County, Minnesota. Marshall has a 2025 population of 13,942. It is also the county seat of Lyon County. Marshall is currently growing at a rate of 0.13% annually and its population has increased by 0.65% since the most recent census, which recorded a population of 13,852 in 2020.
The average household income in Marshall is $88,590 with a poverty rate of 16.89%. The median age in Marshall is 35 years: 34.5 years for males, and 35.7 years for females.