Spencer is located in South Dakota. Spencer, South Dakota 57374has a population of 97. Spencer 57374 is more family-centric than the surrounding county with 39.79% of the households containing married families with children. The county average for households married with children is 32.91%.
The median household income in Spencer, South Dakota 57374 is $52,188. The median household income for the surrounding county is $72,063 compared to the national median of $69,021. The median age of people living in Spencer 57374 is 46.5 years.
The average high temperature in July is 84.9 degrees, with an average low temperature in January of 7.9 degrees. The average rainfall is approximately 26.5 inches per year, with 34.3 inches of snow per year.