Arlington Heights is located in Illinois. Arlington Heights, Illinois has a population of 75,911. Arlington Heights is more family-centric than the surrounding county with 35.38% of the households containing married families with children. The county average for households married with children is 30.49%.
The median household income in Arlington Heights, Illinois is $87,790. The median household income for the surrounding county is $59,426 compared to the national median of $57,652. The median age of people living in Arlington Heights is 44 years.
The average high temperature in July is 83.7 degrees, with an average low temperature in January of 16.6 degrees. The average rainfall is approximately 37.1 inches per year, with 37.3 inches of snow per year.