Cottonwood is located in South Dakota. Cottonwood, South Dakota has a population of 38.
The median household income for the surrounding county is $62,546 compared to the national median of $69,021. The median age of people living in Cottonwood is 56.4 years.
The average high temperature in July is 88.6 degrees, with an average low temperature in January of 9.5 degrees. The average rainfall is approximately 17.7 inches per year, with 33.2 inches of snow per year.