De Soto is located in Illinois. De Soto, Illinois has a population of 1,633. De Soto is less family-centric than the surrounding county with 20.19% of the households containing married families with children. The county average for households married with children is 25.66%.
The median household income in De Soto, Illinois is $41,926. The median household income for the surrounding county is $36,008 compared to the national median of $57,652. The median age of people living in De Soto is 39.4 years.
The average high temperature in July is 88.5 degrees, with an average low temperature in January of 23.8 degrees. The average rainfall is approximately 45.7 inches per year, with 9.8 inches of snow per year.