Wagner is a city in Charles Mix County, South Dakota, United States. The population was 1,490 at the 2020 census. The city is served by Wagner Municipal Airport as well as YST Transit buses.
History
Wagner was founded in 1900. The town was incorporated in 1907, and was named for Walt Wagner, local postmaster.
Geography
According to the United States Census Bureau, the city has a total area of , of which is land and is water.