Marshall is a city located in Saline County Missouri. It is also the county seat of Saline County. With a 2020 population of 12,699, it is the 58th largest city in Missouri and the 2605th largest city in the United States . Marshall is currently declining at a rate of -0.56% annually and its population has decreased by -2.80% since the most recent census, which recorded a population of 13,065 in 2010. Marshall reached it's highest population of 13,154 in 2012. Spanning over 10 miles, Marshall has a population density of 1,255 people per square mile.
The average household income in Marshall is $53,794 with a poverty rate of 19.78%. The median rental costs in recent years comes to $647 per month, and the median house value is $110,200. The median age in Marshall is 34.7 years, 32.6 years for males, and 36.2 years for females.