Lake Preston is located in South Dakota. Lake Preston, South Dakota has a population of 548. Lake Preston is less family-centric than the surrounding county with 19.66% of the households containing married families with children. The county average for households married with children is 30.91%.
The median household income in Lake Preston, South Dakota is $53,700. The median household income for the surrounding county is $62,634 compared to the national median of $69,021. The median age of people living in Lake Preston is 44.9 years.
The average high temperature in July is 82.9 degrees, with an average low temperature in January of 5.4 degrees. The average rainfall is approximately 26.3 inches per year, with 42.3 inches of snow per year.