Wonder Lake, IL

Population
5,593
U.S. Census Population Estimates Program · 2025
Elevation
838 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
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
General Quality
Overall rating out of 100

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About Wonder Lake

Wonder Lake is a relaxed, water-centric community tucked into northern McHenry County. Daily life revolves around the expansive private lake, with quiet shoreline homes, wooded neighborhoods, and open farmland stretching out just beyond town. With a population of around 4,000, the village offers a peaceful, small-town atmosphere where summer weekends are filled with pontoon boat rides, fishing, and local ski shows.

For families moving to the area, school assignments generally divide across the lake, feeding into either the McHenry or Woodstock public school systems. Community amenities stay centered on the water, featuring private beaches, boat ramps, and neighborhood parks along the shore. Everyday life feels tucked away in nature, yet nearby hubs like McHenry and Crystal Lake provide quick access to grocery stores, restaurants, and Metra trains for convenient trips into Chicago.

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