Cottage Hills is located in Illinois. Cottage Hills, Illinois has a population of 2,977. Cottage Hills is less family-centric than the surrounding county with 28.21% of the households containing married families with children. The county average for households married with children is 30.51%.
The median household income in Cottage Hills, Illinois is $44,662. The median household income for the surrounding county is $66,882 compared to the national median of $69,021. The median age of people living in Cottage Hills is 39 years.
The average high temperature in July is 88.8 degrees, with an average low temperature in January of 22.7 degrees. The average rainfall is approximately 42 inches per year, with 15.3 inches of snow per year.
