Vienna is a city located in South Dakota. With a 2020 population of 45, it is the 285th largest city in South Dakota and the 19158th largest city in the United States. Vienna is currently declining at a rate of 0.00% annually and its population has decreased by 0.00% since the most recent census, which recorded a population of 45 in 2010. Vienna reached it's highest population of 45 in 2017. Spanning over 1 miles, Vienna has a population density of 53 people per square mile.
The average household income in Vienna is $27,679 with a poverty rate of 20.34%. The median rental costs in recent years comes to - per month, and the median house value is $69,200. The median age in Vienna is 7.2 years, 8.2 years for males, and 6 years for females. For every 100 females there are 73.5 males.