Vienna is a city located in Maries County Missouri. It is also the county seat of Maries County. With a 2020 population of 582, it is the 441st largest city in Missouri and the 12674th largest city in the United States . Vienna is currently declining at a rate of -1.02% annually and its population has decreased by -4.59% since the most recent census, which recorded a population of 610 in 2010. Spanning over 1 miles, Vienna has a population density of 545 people per square mile.
The average household income in Vienna is $62,555 with a poverty rate of 24.13%. The median rental costs in recent years comes to $632 per month, and the median house value is $95,100. The median age in Vienna is 38.1 years, 29.5 years for males, and 45 years for females.