Isabel is located in South Dakota. Isabel, South Dakota has a population of 164. Isabel is more family-centric than the surrounding county with 31.71% of the households containing married families with children. The county average for households married with children is 28.82%.
The median household income in Isabel, South Dakota is $43,125. The median household income for the surrounding county is $41,190 compared to the national median of $57,652. The median age of people living in Isabel is 30.1 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 7.2 degrees. The average rainfall is approximately 18 inches per year, with 39.9 inches of snow per year.