Glad Valley is located in South Dakota. Glad Valley, South Dakota has a population of 13.
The median household income in Glad Valley, South Dakota is $63,250. The median household income for the surrounding county is $50,450 compared to the national median of $57,652. The median age of people living in Glad Valley is 36.8 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 7.2 degrees. The average rainfall is approximately 17.8 inches per year, with 31.8 inches of snow per year.