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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 constituent 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.

Telecommuters are a relatively large percentage of the workforce: 9.61% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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 very good place for families to consider. With an enviable combination of good schools, low crime, college-educated neighbors who tend to support education because of their own experiences, and a high rate of home ownership in predominantly single-family properties, Crystal Lake really has some of the features that families look for when choosing a good community to raise children. Is Crystal Lake perfect? Of course not, and if you like frenetic nightlife, it will be far from your cup of tea. But overall this is a solid community, with many things to recommend it as a family-friendly place to live.

Crystal Lake is one of the most well-educated cities in the nation. 40.50% of adults in Crystal Lake have at least a bachelor's degree. Compare that to the average community in America, which has just 21.84% with a bachelor's degree or higher.

The per capita income in Crystal Lake in 2018 was $41,507, which is wealthy relative to Illinois and the nation. This equates to an annual income of $166,028 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 12.45% 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.