Crystal Lake Real EstateThe median home value in Crystal Lake, IL is $325,000. This is higher than the county median home value of $207,300. The national median home value is $219,700. The average price of homes sold in Crystal Lake, IL is $325,000. Approximately 70.5% of Crystal Lake homes are owned, compared to 24.47% rented, while 5.04% are vacant. Crystal Lake real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a Crystal Lake real estate agent to arrange a tour today! Crystal Lake, Illinois has a population of 40,331. Crystal Lake is more family-centric than the surrounding county with 39.51% of the households containing married families with children. The county average for households married with children is 37.26%. The median household income in Crystal Lake, Illinois is $83,746. The median household income for the surrounding county is $82,230 compared to the national median of $57,652. The median age of people living in Crystal Lake is 38.9 years. Crystal Lake WeatherThe average high temperature in July is 81.7 degrees, with an average low temperature in January of 11.9 degrees. The average rainfall is approximately 37 inches per year, with 35.5 inches of snow per year. Nearby Homes for Sale |