Mount Vernon is located in South Dakota. Mount Vernon, South Dakota has a population of 502. Mount Vernon is more family-centric than the surrounding county with 36.5% of the households containing married families with children. The county average for households married with children is 27.17%.
The median household income in Mount Vernon, South Dakota is $52,604. The median household income for the surrounding county is $48,665 compared to the national median of $57,652. The median age of people living in Mount Vernon is 32.8 years.
The average high temperature in July is 86.9 degrees, with an average low temperature in January of 9 degrees. The average rainfall is approximately 24.7 inches per year, with 34.6 inches of snow per year.
