Keystone is located in Indiana. Keystone, Indiana has a population of 397. Keystone is more family-centric than the surrounding county with 36.63% of the households containing married families with children. The county average for households married with children is 30.28%.
The median household income in Keystone, Indiana is $36,739. The median household income for the surrounding county is $53,038 compared to the national median of $57,652. The median age of people living in Keystone is 39.9 years.
The average high temperature in July is 83.5 degrees, with an average low temperature in January of 17.1 degrees. The average rainfall is approximately 38.8 inches per year, with 23.6 inches of snow per year.
