McHenry County, IL — Population & Demographics
McHenry County, IL has a population of 311,366. The median household income is $102,836 and the median age is 40.4.
311,366
Population
$102,836
Median Income
$286,900
Median Home Value
40.4
Median Age
Race & Ethnicity
| White | 82.4% |
| Black or African American | 1.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Economy & Income
$102,836
Median Household Income
$48,275
Per Capita Income
4.1%
Poverty Rate
3.3%
Unemployment
Housing
$286,900
Median Home Value
$1,358
Median Rent
82.6%
Homeownership
Education
93.7%
High School+
35.2%
Bachelor's+
Frequently Asked Questions
McHenry County, IL has a population of 311,366 according to Census ACS 2023 data.
The median household income in McHenry County, IL is $102,836.
Data from the American Community Survey (ACS) 5-Year estimates.