Marshall is a city located in Lyon County Minnesota. It is also the county seat of Lyon County. With a 2020 population of 13,443, it is the 83rd largest city in Minnesota and the 2495th largest city in the United States . Marshall is currently declining at a rate of -0.16% annually and its population has decreased by -1.73% since the most recent census, which recorded a population of 13,680 in 2010. Marshall reached it's highest population of 13,781 in 2016. Spanning over 10 miles, Marshall has a population density of 1,316 people per square mile.
The average household income in Marshall is $70,798 with a poverty rate of 19.73%. The median rental costs in recent years comes to $684 per month, and the median house value is $154,100. The median age in Marshall is 31.8 years, 30.1 years for males, and 33.6 years for females.