Cactus Flats is located in South Dakota. Cactus Flats, South Dakota has a population of 155.
The median household income in Cactus Flats, South Dakota is $75,909. The median household income for the surrounding county is $52,245 compared to the national median of $57,652. The median age of people living in Cactus Flats is 42.9 years.
The average high temperature in July is 89.6 degrees, with an average low temperature in January of 8.5 degrees. The average rainfall is approximately 17.8 inches per year, with 36.5 inches of snow per year.