Marion is located in South Dakota. Marion, South Dakota has a population of 788. Marion is less family-centric than the surrounding county with 21% households with children. The county percentage for households with children is 28%.
The median household income in Marion, South Dakota is $52,292. The median household income for the surrounding county is $62,083 compared to the national median of $66,222. The median age of people living in Marion is 47.8 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 4.6 degrees. The annual precipitation is 24.91.