Middle River is a city located in Marshall County Minnesota. With a 2020 population of 299, it is the 594th largest city in Minnesota and the 15331st largest city in the United States . Middle River is currently declining at a rate of -0.33% annually and its population has decreased by -1.32% since the most recent census, which recorded a population of 303 in 2010. Middle River reached it's highest population of 304 in 2011. Spanning over 0 miles, Middle River has a population density of 601 people per square mile.
The average household income in Middle River is $46,746 with a poverty rate of 8.96%. The median rental costs in recent years comes to $427 per month, and the median house value is $80,000. The median age in Middle River is 49.2 years, 49.7 years for males, and 48 years for females.