
Vienna
- County:
- Maries County
- County Seat:
- Yes
- Area (mi²):
- 1.068
- State:
- Missouri
Vienna is a city located in Maries County, Missouri. Vienna has a 2025 population of 575. It is also the county seat of .Vienna is currently declining at a rate of 0% annually and its population has decreased by -0.35% since the most recent census, which recorded a population of 577 in 2020.
The average household income in Vienna is $57,130 with a poverty rate of 35.28%. The median age in Vienna is 37.4 years: 37.4 years for males, and 37.5 years for females.