Folsom is located in South Dakota. Folsom, South Dakota has a population of 198.
The median household income in Folsom, South Dakota is $70,208. The median household income for the surrounding county is $68,736 compared to the national median of $69,021. The median age of people living in Folsom is 45.1 years.
The average high temperature in July is 85.3 degrees, with an average low temperature in January of 14.2 degrees. The average rainfall is approximately 18 inches per year, with 35.2 inches of snow per year.
