Mount Vernon is located in South Dakota. Mount Vernon, South Dakota has a population of 524. Mount Vernon is more family-centric than the surrounding county with 42.74% of the households containing married families with children. The county average for households married with children is 25.82%.
The median household income in Mount Vernon, South Dakota is $52,794. The median household income for the surrounding county is $50,900 compared to the national median of $69,021. The median age of people living in Mount Vernon is 31.4 years.
The average high temperature in July is 86.5 degrees, with an average low temperature in January of 8.5 degrees. The average rainfall is approximately 24.2 inches per year, with 34.1 inches of snow per year.
