Glendale Heights is located in Illinois. Glendale Heights, Illinois has a population of 33,443. Glendale Heights is less family-centric than the surrounding county with 32.62% of the households containing married families with children. The county average for households married with children is 36.11%.
The median household income in Glendale Heights, Illinois is $77,582. 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 Glendale Heights is 35 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 13.6 degrees. The average rainfall is approximately 37.9 inches per year, with 32.8 inches of snow per year.