Oacoma is located in South Dakota. Oacoma, South Dakota has a population of 376. Oacoma is less family-centric than the surrounding county with 18.75% of the households containing married families with children. The county average for households married with children is 25%.
The median household income in Oacoma, South Dakota is $66,389. The median household income for the surrounding county is $55,977 compared to the national median of $69,021. The median age of people living in Oacoma is 56.1 years.
The average high temperature in July is 87.6 degrees, with an average low temperature in January of 9.5 degrees. The average rainfall is approximately 22.1 inches per year, with 37.2 inches of snow per year.