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Wonder Lake, IL

Population
5,593
U.S. Census Population Estimates Program · 2025
Elevation
838 ft
Median Home Value
$252,200
U.S. Census American Community Survey 5-Year · 2024
Median Income
$94,655
U.S. Census American Community Survey 5-Year · 2024

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Wonder Lake in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityMcHenry, Illinois4.4 miles away · 29,217 residents.

About Wonder Lake

Wonder Lake is a village in McHenry County, Illinois, situated around the shores of a large scenic reservoir of the same name. Developed initially as a resort community and now operating as a growing residential suburb of Chicago, the community of approximately 4,292 is served by Harrison School District Thirty-Six and McHenry Community High School District 156.

Top Rating Signals

Highest current ratings for this town.

Lower County Wildfire Hazard Potential ClassA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingRegional Two-Party Electoral BalanceA+97.6rating

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