Island Lake is located in Illinois. Island Lake, Illinois has population of 8,020. Island Lake is less family-centric than the surrounding county with 32% of the households with children.
The median household income in Island Lake, Illinois is $83,328. The median household income for the surrounding county is $87,114 compared to the national median of $66,222. The median age of people living in Island Lake is 40.4 years.
The average high temperature in July is 82.3 degrees, with an average low temperature in January of 9.6 degrees. The annual precipitation is 33.71.
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