Lake Preston is located in South Dakota. Lake Preston, South Dakota has a population of 464. Lake Preston is more family-centric than the surrounding county with 31.85% of the households containing married families with children. The county average for households married with children is 28.13%.
The median household income in Lake Preston, South Dakota is $43,021. The median household income for the surrounding county is $58,794 compared to the national median of $57,652. The median age of people living in Lake Preston is 52.5 years.
The average high temperature in July is 82.9 degrees, with an average low temperature in January of 6 degrees. The average rainfall is approximately 25.6 inches per year, with 41.4 inches of snow per year.