McHenry County, Illinois
IL · FIPS 17111 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 312,591 | — | #233 / 3,222 | |
| Median Household Income | $104,802 | +39.5% | #124 / 3,222 | |
| Median Age | 40.7 years | +4.6% | #1,888 / 3,222 | |
| Median Home Value | $308,100 | +9.3% | #585 / 3,222 | |
| Median Gross Rent | $1,401 | +20.5% | #315 / 3,222 | |
| Poverty Rate | 6.2% | -50.6% | #130 / 3,222 | |
Demographics
McHenry County has a population of 312,591, making it the #233 most populous county in the US. The median age is 40.7 years, which is 4.6% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in McHenry County is $104,802, ranking #124 out of 3,222 counties — 39.5% above the national median. The poverty rate is 6.2% and unemployment stands at 4.7%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in McHenry County is $308,100 (+9.3% vs national). Renters pay a median of $1,401/mo and the homeownership rate is 82.7%.
Median Home Value Trend
Rankings →Health
95.5% of residents in McHenry County have health insurance coverage, which is 4.1% above the national rate.
About McHenry County, Illinois
McHenry County, Illinois has a total population of 312,591, making it the 233rd most populous county in the United States. The median age in McHenry County is 40.7 years, which is 4.6% above the national median of 38.9 years.
The median household income in McHenry County is $104,802, which ranks #124 of 3,222 counties nationwide. This is 39.5% above the national median of $75,149. The poverty rate is 6.2%, lower than the national rate of 12.6%. The unemployment rate stands at 4.7%.
The median home value in McHenry County is $308,100, 9.3% above the national median. Renters in McHenry County pay a median gross rent of $1,401 per month. The homeownership rate is 82.7%, compared to the national rate of 64.4%.
In McHenry County, 35.2% of residents aged 25 and older hold a bachelor's degree or higher, 4.5% above the national average of 33.7%. Health insurance coverage stands at 95.5% of the population. The average commute time for workers is 33.3 min.
McHenry County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 76.1% of the population, followed by Hispanic or Latino (16.1%) and Two or More Races (3.2%).
All data for McHenry County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.