Mystic is located in South Dakota. Mystic, South Dakota has a population of 590.
The median household income in Mystic, South Dakota is $52,857. The median household income for the surrounding county is $52,245 compared to the national median of $57,652. The median age of people living in Mystic is 33.6 years.
The average high temperature in July is 76.8 degrees, with an average low temperature in January of 5.4 degrees. The average rainfall is approximately 22.7 inches per year, with 95 inches of snow per year.
