McHenry is a city located in Lake County, Illinois. McHenry has a 2026 population of 29,563. McHenry is currently growing at a rate of 1.26% annually and its population has increased by 8.1% since the most recent census, which recorded a population of 27,349 in 2020.
The median household income in McHenry is $86,315 with a poverty rate of 4.66%. The median age in McHenry is 43.9 years: 39.8 years for males, and 47.7 years for females. For every 100 females there are 99.1 males.
Data after 2023 is projected based on recent change
Overall: 43.9 years
Female: 47.7 years
Male: 39.8 years
There are 22,505 adults, (5,406 of whom are seniors) in McHenry.
Female: 14,099 (50.2%)
Male: 13,975 (49.8%)
The racial composition of McHenry includes 83.7% White, 3.94% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 23,499 | 83.7% |
| Two or more races | 2,733 | 9.73% |
| Other race | 1,107 | 3.94% |
| Asian | 485 | 1.73% |
| Black or African American | 158 | 0.56% |
| Native American | 73 | 0.26% |
| Native Hawaiian or Pacific Islander | 19 | 0.07% |
McHenry 's average per capita income is $57,261. Household income levels show a median of $86,315. The poverty rate stands at 4.66%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $130,398 | - |
| Families | $110,000 | $129,050 |
| Households | $86,315 | $105,716 |
| Non Families | $51,480 | $63,741 |
Average Income
Median Household Income
Poverty Rate