McHenry, IL
Population 27,774 · Illinois
About McHenry, IL
McHenry is a mid-sized city in Illinois with a population of 27,774 residents. The median household income is $86,865 per year, which is above the national average. The median age in McHenry is 43.5 years.
Housing in McHenry has a median home value of $244,900 and median monthly rent of $1,508. Of the 11,671 total housing units, the majority are owner-occupied, with 8,473 owner-occupied and 3,074 renter-occupied units.
The unemployment rate in McHenry is 3.5% and the poverty rate is 4.0%. 25.5% of residents hold a bachelor's degree or higher. The average commute time is 30.8 minutes.
Cost of Living in McHenry, IL
Compared to national averages, McHenry has a median household income of $86,865 (16% above the national median of $75,149). Home values average $244,900, which is 0% below the national median. Monthly rent at $1,508 is 30% above the US average of $1,163. Within Illinois, McHenry's income is 16% above the state average of $75,072, and home values are 48% above the state median of $165,779.
Why Live in McHenry, IL?
McHenry offers a strong local economy with a median household income of $86,865, well above the national average, and a strong job market with an unemployment rate of just 3.5%, and a low poverty rate of 4.0%, better than the national average.
McHenry has a population of 27,774 with a median age of 43.5 years. Compare McHenry with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near McHenry
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Huntley | 27,859 | $86,349 | $318,500 | Compare |
| Wilmette | 27,550 | $192,300 | $802,200 | Compare |
| New Lenox | 27,456 | $133,071 | $377,500 | Compare |
| Glen Ellyn | 28,270 | $133,346 | $522,600 | Compare |
| Lansing | 28,415 | $71,805 | $168,500 | Compare |
| Round Lake Beach | 27,081 | $86,632 | $191,200 | Compare |
| Chicago Heights | 26,938 | $57,479 | $149,900 | Compare |
| Oak Forest | 26,888 | $87,941 | $247,800 | 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 McHenry
What is the population of McHenry, IL?
The population of McHenry, IL is 27,774 according to the latest Census data.
What is the median household income in McHenry?
The median household income in McHenry, IL is $86,865 per year.
What is the median home value in McHenry?
The median home value in McHenry, IL is $244,900.
What is the average rent in McHenry?
The median monthly rent in McHenry, IL is $1,508.
What is the unemployment rate in McHenry?
The unemployment rate in McHenry, IL is 3.5%.