About Crystal Lake, IL
Crystal Lake is located in Illinois. Crystal Lake, Illinois has a population of 38,313. Crystal Lake is less family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 34%.
The median household income in Crystal Lake, Illinois is $88,085. The median household income for the surrounding county is $83,479 compared to the national median of $61,963. The median age of people living in Crystal Lake is 39.3 years.
Crystal Lake Weather
The average high temperature in July is 83 degrees, with an average low temperature in January of 10.9 degrees. The annual precipitation is 33.71.
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