Clarendon Hills is located in Illinois. Clarendon Hills, Illinois has a population of 8,707. Clarendon Hills is more family-centric than the surrounding county with 55.77% of the households containing married families with children. The county average for households married with children is 36.11%.
The median household income in Clarendon Hills, Illinois is $107,375. 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 Clarendon Hills is 40.7 years.
The average high temperature in July is 83.9 degrees, with an average low temperature in January of 15.8 degrees. The average rainfall is approximately 38.8 inches per year, with 31.3 inches of snow per year.
