Roslyn is located in South Dakota. Roslyn, South Dakota has a population of 218. Roslyn is more family-centric than the surrounding county with 42.31% of the households containing married families with children. The county average for households married with children is 24.45%.
The median household income in Roslyn, South Dakota is $36,250. The median household income for the surrounding county is $43,902 compared to the national median of $57,652. The median age of people living in Roslyn is 38.8 years.
The average high temperature in July is 82.5 degrees, with an average low temperature in January of 3.6 degrees. The average rainfall is approximately 23.7 inches per year, with 37.2 inches of snow per year.
