Oldham is located in South Dakota. Oldham, South Dakota has a population of 112. Oldham is less family-centric than the surrounding county with 5.56% of the households containing married families with children. The county average for households married with children is 30.91%.
The median household income in Oldham, South Dakota is $27,917. The median household income for the surrounding county is $62,634 compared to the national median of $69,021. The median age of people living in Oldham is 54.2 years.
The average high temperature in July is 82.9 degrees, with an average low temperature in January of 5.4 degrees. The average rainfall is approximately 26.3 inches per year, with 40.3 inches of snow per year.
