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Crystal Lake, Illinois

Located in McHenry County, Illinois, Crystal Lake was established in 1874. Named for crystal-clear lake.
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Founded 1874 | Population 40,000 | Peak 40,000 (2024) | County McHenry County

Top 10 Most Important Events for Crystal Lake, Illinois

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1874Founded: NW exurb.
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1890Higher Education: Educational institutions helped define Crystal Lake's character and economy.
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1924Economic Development: Crystal Lake grew through the automobile industry.
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2010Modern Era: Crystal Lake continued to develop as part of the greater metropolitan area, with new infrastructure and community amenities.
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Latest News in Crystal Lake

Feb 20, 2026
They’ve Won $288 Million From The Lottery But The State Won’t Pay Them
Winning the lottery has been the dream for many, and in Illinois, lottery winners are hitting the jackpot.

Complete Historical Timeline

1874 Culture
Founded
1890 Culture
Higher Education
1924 Industry
Economic Development
2010 Culture
Modern Era

Did You Know?

1
NW Chicago exurb.
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Named for crystal-clear lake.
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McHenry County.
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Crystal Lake was founded in 1874.
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Crystal Lake has a population of approximately 40,000.

Famous People from Crystal Lake, Illinois

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Jim Verraros
Actor, Singer · Born Feb 8, 1983 · Age 43
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