Union Center is located in South Dakota. Union Center, South Dakota has a population of 381. Union Center is more family-centric than the surrounding county with 56.45% of the households containing married families with children. The county average for households married with children is 32.97%.
The median household income in Union Center, South Dakota is $41,211. The median household income for the surrounding county is $54,286 compared to the national median of $57,652. The median age of people living in Union Center is 37.2 years.
The average high temperature in July is 84.9 degrees, with an average low temperature in January of 9.3 degrees. The average rainfall is approximately 17.4 inches per year, with 44.6 inches of snow per year.