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 29.29% of the households containing married families with children. The county average for households married with children is 29.92%.
The median household income in Cottage Hills, Illinois is $46,883. The median household income for the surrounding county is $56,536 compared to the national median of $57,652. The median age of people living in Cottage Hills is 38.8 years.
The average high temperature in July is 88.9 degrees, with an average low temperature in January of 23 degrees. The average rainfall is approximately 41.5 inches per year, with 12.1 inches of snow per year.
