Maryville is a city located in Nodaway County Missouri. It is also the county seat of Nodaway County. With a 2020 population of 11,505, it is the 71st largest city in Missouri and the 2809th largest city in the United States . Maryville is currently declining at a rate of -0.41% annually and its population has decreased by -3.90% since the most recent census, which recorded a population of 11,972 in 2010. Maryville reached it's highest population of 12,070 in 2011. Spanning over 6 miles, Maryville has a population density of 1,805 people per square mile.
The average household income in Maryville is $48,218 with a poverty rate of 30.37%. The median rental costs in recent years comes to $665 per month, and the median house value is $130,500. The median age in Maryville is 23.5 years, 24 years for males, and 23.2 years for females.