Island Lake is located in McHenry County, Illinois. There are roughly 6,957 residents, living in 2,578 households. The average temperature for Island Lake this time of the year is low of 61F and high of 83F. On average, Island Lake gets about 3.63 inches of precipitation in July. Most residents are home owners (87%), have a post secondary degree (60%) and are single, no kids (35%).
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