Interior is located in South Dakota. Interior, South Dakota has a population of 251. Interior is more family-centric than the surrounding county with 44.78% of the households containing married families with children. The county average for households married with children is 32.12%.
The median household income in Interior, South Dakota is $51,500. The median household income for the surrounding county is $38,041 compared to the national median of $57,652. The median age of people living in Interior is 30.6 years.
The average high temperature in July is 91.2 degrees, with an average low temperature in January of 15.6 degrees. The average rainfall is approximately 18.9 inches per year, with 28 inches of snow per year.
