Oak Lawn is located in Illinois. Oak Lawn, Illinois has a population of 55,857. Oak Lawn is less family-centric than the surrounding county with 25% households with children. The county percentage for households with children is 26%.
The median household income in Oak Lawn, Illinois is $67,355. 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 Oak Lawn is 40.9 years.
The average high temperature in July is 84.7 degrees, with an average low temperature in January of 16.2 degrees. The annual precipitation is 38.35.