About Lake Forest, IL
Lake Forest is located in Illinois. Lake Forest, Illinois has a population of 19,647. Lake Forest is less family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 35%.
The median household income in Lake Forest, Illinois is $167,157. The median household income for the surrounding county is $86,388 compared to the national median of $61,963. The median age of people living in Lake Forest is 46.2 years.
Lake Forest Weather
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 13.7 degrees. The annual precipitation is 36.8.
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