Arlington Heights is located in Illinois. Arlington Heights, Illinois has a population of 74,485. Arlington Heights is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 26%.
The median household income in Arlington Heights, Illinois is $101,695. The median household income for the surrounding county is $68,916 compared to the national median of $66,222. The median age of people living in Arlington Heights is 44.4 years.
The average high temperature in July is 83.5 degrees, with an average low temperature in January of 14.3 degrees. The annual precipitation is 36.27.