Darien is located in Illinois. Darien, Illinois has a population of 22,087. Darien is less family-centric than the surrounding county with 27.05% of the households containing married families with children. The county average for households married with children is 36.11%.
The median household income in Darien, Illinois is $104,226. The median household income for the surrounding county is $100,292 compared to the national median of $69,021. The median age of people living in Darien is 44.6 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 15 degrees. The average rainfall is approximately 39 inches per year, with 29.8 inches of snow per year.