Island Lake is located in Illinois. Island Lake, Illinois has a population of 8,057. Island Lake 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 33.95%.
The median household income in Island Lake, Illinois is $84,940. The median household income for the surrounding county is $93,801 compared to the national median of $69,021. The median age of people living in Island Lake is 39.9 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 12.9 degrees. The average rainfall is approximately 36 inches per year, with 39.8 inches of snow per year.
