Vienna is a city located in South Dakota. With a 2020 population of 47, it is the 284th largest city in South Dakota and the 19126th largest city in the United States. Vienna is currently growing at a rate of 2.17% annually and its population has increased by 4.44% since the most recent census, which recorded a population of 45 in 2010. Spanning over 1 miles, Vienna has a population density of 56 people per square mile.
The average household income in Vienna is $43,661 with a poverty rate of 9.30%. The median rental costs in recent years comes to - per month, and the median house value is $106,300. The median age in Vienna is 5.6 years, 5.6 years for males, and 6 years for females. For every 100 females there are 79.2 males.