Wonder Lake, IL
Population 4,141 · Illinois
About Wonder Lake, IL
Wonder Lake is a small community in Illinois with a population of 4,141 residents. The median household income is $102,829 per year, which is above the national average. The median age in Wonder Lake is 33.8 years.
Housing in Wonder Lake has a median home value of $242,300 and median monthly rent of $1,577. Of the 1,668 total housing units, the majority are owner-occupied, with 1,489 owner-occupied and 44 renter-occupied units.
The unemployment rate in Wonder Lake is 6.0% and the poverty rate is 4.5%. 23.5% of residents hold a bachelor's degree or higher. The average commute time is 36 minutes.
Cost of Living in Wonder Lake, IL
Compared to national averages, Wonder Lake has a median household income of $102,829 (37% above the national median of $75,149). Home values average $242,300, which is 1% below the national median. Monthly rent at $1,577 is 36% above the US average of $1,163. Within Illinois, Wonder Lake's income is 37% above the state average of $75,072, and home values are 46% above the state median of $165,779.
Why Live in Wonder Lake, IL?
Wonder Lake offers a strong local economy with a median household income of $102,829, well above the national average, and affordable housing with a median home value of $242,300, below the US average of $244,900, and a low poverty rate of 4.5%, better than the national average.
Wonder Lake has a population of 4,141 with a median age of 33.8 years. Compare Wonder Lake with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Wonder Lake
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Coal Valley | 4,142 | $104,781 | $208,700 | Compare |
| Rosemont | 4,145 | $69,153 | $403,600 | Compare |
| Caseyville | 4,170 | $57,919 | $94,900 | Compare |
| Metamora | 4,094 | $99,091 | $209,800 | Compare |
| Kildeer | 4,189 | $250,001 | $697,900 | Compare |
| Scott AFB | 4,195 | $91,115 | $0 | Compare |
| Green Oaks | 4,085 | $133,472 | $653,500 | Compare |
| Paxton | 4,201 | $60,470 | $116,700 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Wonder Lake
What is the population of Wonder Lake, IL?
The population of Wonder Lake, IL is 4,141 according to the latest Census data.
What is the median household income in Wonder Lake?
The median household income in Wonder Lake, IL is $102,829 per year.
What is the median home value in Wonder Lake?
The median home value in Wonder Lake, IL is $242,300.
What is the average rent in Wonder Lake?
The median monthly rent in Wonder Lake, IL is $1,577.
What is the unemployment rate in Wonder Lake?
The unemployment rate in Wonder Lake, IL is 6.0%.