Wagner is a city located in South Dakota. With a 2020 population of 1,566, it is the 41st largest city in South Dakota and the 8558th largest city in the United States. Wagner is currently growing at a rate of 0.13% annually and its population has decreased by 0.00% since the most recent census, which recorded a population of 1,566 in 2010. Wagner reached it's highest population of 1,590 in 2015. Spanning over 2 miles, Wagner has a population density of 829 people per square mile.
The average household income in Wagner is $48,669 with a poverty rate of 19.49%. The median rental costs in recent years comes to $375 per month, and the median house value is $90,500. The median age in Wagner is 42.1 years, 34.6 years for males, and 45.4 years for females. For every 100 females there are 94.0 males.