About Darien, IL
Darien is located in Illinois. Darien, Illinois has a population of 21,261. Darien is less family-centric than the surrounding county with 23% households with children. The county percentage for households with children is 32%.
The median household income in Darien, Illinois is $68,909. The median household income for the surrounding county is $69,407 compared to the national median of $50,013. The median age of people living in Darien is 47.9 years.
The average high temperature in July is 86.8 degrees, with an average low temperature in January of 14.2 degrees. The annual precipitation is 37.94.
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