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Lake life and community spirit thrive.
Wonder Lake exudes a relaxed, family-friendly atmosphere, deeply connected to its beautiful lake. It's a place where neighbors know each other and outdoor activities are a way of life.
COMMUNITY GUIDE · WONDER LAKE
Wonder Lake, McHenry County
City Snapshot
Population
3,973
County
McHenry County
Timezone
America/Chicago
Median Income
$99,844
Quick Numbers
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Emergency Services
Poison Control
Suicide & Crisis Lifeline
Domestic Violence Hotline
Child Abuse Hotline
Veterans Crisis Line
This Week
McHenry Music Festival w/ Kane Brown
2026-09-11 at 8:30 PM
Meet Our Ambassador Animals
2026-09-12 at 11:00 AM
McHenry Music Festival w/ Hardy
2026-09-12 at 8:30 PM
Hoarders!
2026-09-13 at 1:00 PM
Children's Theatre- Audition Clinic
2026-09-14 at 4:00 PM
Community Leaders
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