Keystone Real Estate
Keystone is located in South Dakota. Keystone, South Dakota has a population of 422. Keystone is more family-centric than the surrounding county with 39.54% of the households containing married families with children. The county average for households married with children is 28.95%.
The median household income in Keystone, South Dakota is $44,271. 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 Keystone is 32.5 years.
The average high temperature in July is 79.1 degrees, with an average low temperature in January of 18.7 degrees. The average rainfall is approximately 19.2 inches per year, with 52.4 inches of snow per year.