
Middle River
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 0.497
- State:
- Minnesota
Middle River is a city located in Marshall County, Minnesota. Middle River has a 2025 population of 290. Middle River is currently declining at a rate of -1.02% annually and its population has decreased by -4.61% since the most recent census, which recorded a population of 304 in 2020.
The average household income in Middle River is $69,164 with a poverty rate of 14.44%. The median age in Middle River is 41.4 years: 41.4 years for males, and 46.5 years for females.