McHenry, IL demographics:
population, income, and more
McHenry population
How many people live in McHenry
McHenry is home to 28,074 residents, according to the most recent Census data. Gender-wise, 49.8% of McHenry locals are male, and 50.2% are female.
Age demographics
The median age in McHenry is 44, with the population distributed as follows: about 16.1% are children under 15, then 9.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.8% of the population, while another 29% fall into the 45 to 64 bracket. Finally, around 19.3% are 65 or older.
Racial makeup
In McHenry, 90% of the population are US-born citizens, while 6.1% have gained naturalized citizenship. At the same time, 4% of residents are non-citizens. As for race, 83.7% of locals are Caucasian, 0.6% are African American and 1.7% have Asian roots. Another 0.3% are Indigenous American, 0.1% are Pacific Islanders, while 3.9% identify as another race. There’s also a share of 9.7% that includes residents with two or more races.
Households in McHenry
A peek inside McHenry households
McHenry has 11,897 households, with an average of 2 members in each. Of these, 62.7% are families, while the remaining 37.3% are made up of individuals living alone or with non-relatives, such as roommates.
Households stats
Housing in McHenry
The housing landscape of McHenry
McHenry's housing consists of 12,095 units, with 68.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 11.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.1% of the housing landscape.
The age of buildings in McHenry
In McHenry, the median construction year is 1988. About 2.9% of homes were built before the 1940s, with another 2.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 21% of homes were added from 2000 to 2009, 4.8% between 2010 and 2019, and 1.4% are part of the newest wave of development.
McHenry occupancy rates
Out of the 11,897 occupied housing units in McHenry, 74.4% are owner-occupied, while 25.6% are lived in by tenants. Meanwhile, 1.6% of all homes on the local market sit vacant.
McHenry housing costs
Housing costs in McHenry come to a median of $1,553 per month, while tenants specifically pay a median gross rent of $1,553.
Education in McHenry
McHenry education at a glance
About 36.1% of the population in McHenry went to high school, while 26.1% pursued college studies. Another 7.6% earned an associate degree and 18.4% hold a bachelor’s. Meanwhile, 7.2% went even further, earning a master’s or doctorate.
Income in McHenry
How much people earn in McHenry
The average annual household income in McHenry was $105,716 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -4.8% change from the previous year. At the same time, the median income stood at $86,315, reflecting a -0.6% shift over the same period.
McHenry income by age
In McHenry, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $98,877. Those with someone between 45 and 64 in charge, often well established professionally, earn $101,029 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $55,775, while those led by someone over 65, many of whom may be retired, have about $54,650 in earnings. Overall, 95.4% of the locals in this community live above the poverty line.
Average renter income in McHenry
To get a better sense of what renters earn on average in McHenry, their median household income was $46,181 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 40.4%, shows what portion of their earnings goes toward housing expenses.
Employment in McHenry
Workforce and job types in McHenry
The job market in McHenry is powered by 15,376 working residents, spread across a range of industries and roles. 74.8% of the working population are employed in professional or administrative positions, while 25.2% are in hands-on or service-based jobs. Also, 8.8% run their own businesses, 70.3% are employed by private companies, and 15% work in the public sector.
Workforce demographics
Available workforce
The unemployment rate in McHenry stands at 3.6%, representing the share of the workforce currently without a job and actively looking for one.
Transportation in McHenry
How people get around in McHenry
Commuting methods vary: 83% of residents travel by personal vehicle and 1.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.
What is the median and average household income in McHenry by zipcode?
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FAQs about McHenry demographics
What is the total population of McHenry?
What is the gender ratio in McHenry?
- 49.8% males (13,975 residents)
- 50.2% females (14,099 residents)
What is the median age in McHenry?
What is the age distribution of the population in McHenry?
- Under 15: 16.1% (4,524 residents)
- Ages 15-24: 9.8% (2,742 residents)
- Ages 25-44: 25.8% (7,254 residents)
- Ages 45-64: 29% (8,148 residents)
- Over 65: 19.3% (5,406 residents)
What is the racial and ethnic makeup of McHenry?
- White: 83.7% (23,499 residents)
- Black or African American: 0.6% (158 residents)
- American Indian and Alaska Native: 0.3% (73 residents)
- Asian: 1.7% (485 residents)
- Native Hawaiian and Other Pacific Islander: 0.1% (19 residents)
- Two or More Races: 9.7% (2,733 residents)
- Other: 3.9% (1,107 residents)
What percentage of the population in McHenry are U.S.-born citizens?
How many housing units are there in McHenry?
How many households are in McHenry and what is the average household size?
What is the median household income in McHenry?
What is the employment rate and job market overview for McHenry?
Job types:
- White-collar workers: 74.8% (11,501 residents)
- Blue-collar workers: 25.2% (3,875 residents)
Places of employment:
- Self-employed: 8.8% (1,350 residents)
- Private companies: 70.3% (10,805 residents)
- Governmental workers: 15% (2,299 residents)
- Not-for-profit companies: 6% (922 residents)
Data source & methodology
The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.
The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.
No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.