Ethan is located in South Dakota. Ethan, South Dakota has a population of 365. Ethan is more family-centric than the surrounding county with 39.22% of the households containing married families with children. The county average for households married with children is 27.17%.
The median household income in Ethan, South Dakota is $53,382. The median household income for the surrounding county is $48,665 compared to the national median of $57,652. The median age of people living in Ethan is 37.5 years.
The average high temperature in July is 86.9 degrees, with an average low temperature in January of 9 degrees. The average rainfall is approximately 25.1 inches per year, with 34.6 inches of snow per year.