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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Crystal Lake, IL
Real Estate & Demographic Data






Crystal Lake profile


Living in Crystal Lake



Crystal Lake is a medium-sized city located in the state of Illinois. With a population of 40,661 people and 12 associated neighborhoods, Crystal Lake is the 40th largest community in Illinois.

Crystal Lake real estate is some of the most expensive in Illinois, although Crystal Lake house values don't compare to the most expensive real estate in the U.S.

Also of interest is that Crystal Lake has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in Crystal Lake telecommute to their jobs. Overall, about 12.99% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Because of many things, Crystal Lake is a great place for families with children to consider. First of all, many other families with children live here, making Crystal Lake a place where both parents and children are more likely to develop social ties with other families, as well as find family-oriented services and community. The city’s good public school district and large population of college-educated adults provide an environment conducive to academic values. With regard to real estate, Crystal Lake has a high rate of owner-occupied single family homes, which tends to reflect stability in the local community. Finally, Crystal Lake’s overall crime rate ranks among the lowest in the country, making it one of the safest places to raise a family.

The education level of Crystal Lake ranks among the highest in the nation. Of the 25-and-older adult population in Crystal Lake, 40.53% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Crystal Lake in 2018 was $44,911, which is wealthy relative to Illinois and the nation. This equates to an annual income of $179,644 for a family of four.

Crystal Lake is a somewhat ethnically-diverse city. The people who call Crystal Lake home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Crystal Lake residents report their race to be White, followed by Asian. Crystal Lake also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 11.51% of the city’s residents. Important ancestries of people in Crystal Lake include German, Irish, Italian, Polish, and English.

The most common language spoken in Crystal Lake is English. Other important languages spoken here include Spanish and Polish.