Lemmon is located in South Dakota. Lemmon, South Dakota has a population of 1,335. Lemmon is less family-centric than the surrounding county with 28.1% of the households containing married families with children. The county average for households married with children is 29.15%.
The median household income in Lemmon, South Dakota is $38,688. The median household income for the surrounding county is $50,450 compared to the national median of $57,652. The median age of people living in Lemmon is 46.5 years.
The average high temperature in July is 86.2 degrees, with an average low temperature in January of 6.6 degrees. The average rainfall is approximately 16.9 inches per year, with 40.6 inches of snow per year.