McHenry is located in McHenry County, Illinois. McHenry has a 2025 population of 48,358 . McHenry is currently growing at a rate of 1.17% annually and its population has increased by 4.51% since the most recent census, which recorded a population of 46,269 in 2020.
The average household income in McHenry is $116,291 with a poverty rate of 7.9%. The median age in McHenry is 43.4 years: 41.2 years for males, and 45.1 years for females. For every 100 females there are 103.6 males.
Data after 2023 is projected based on recent change
The racial composition of McHenry includes 86.56% White, 3.54% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (86.56%)
Two or more races (7.86%)
Other race (3.54%)
Asian (1.26%)
Black or African American (0.6%)
Native American (0.16%)
Native Hawaiian or Pacific Islander (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 40,400 | 86.56% |
| Two or more races | 3,668 | 7.86% |
| Other race | 1,650 | 3.54% |
| Asian | 586 | 1.26% |
| Black or African American | 278 | 0.6% |
| Native American | 76 | 0.16% |
| Native Hawaiian or Pacific Islander | 14 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
McHenry's average per capita income is $57,087. Household income levels show a median of $91,673. The poverty rate stands at 7.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $129,806 | - |
| Families | $115,099 | $135,054 |
| Households | $91,673 | $116,291 |
| Non Families | $52,646 | $73,365 |
Average Income
Median Household Income
Poverty Rate