McHenry, MD demographics:
population, income, and more

Total population
1,335
16.4% year-over-year change
Median household income
$82,955/yr
26.9% year-over-year change
Housing units
1,928
-4.2% year-over-year change

McHenry population

How many people live in McHenry

McHenry is home to 1,335 residents, according to the most recent Census data. Gender-wise, 54.5% of McHenry locals are male, and 45.5% are female.

Total population
1,335
16.4% year-over-year change
Gender ratio
Male
54.5%
727
Female
45.5%
608
Value Percent YoY change
Male 727 54.5% 3.4%
Female 608 45.5% 36.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in McHenry is 44, with the population distributed as follows: about 10.3% are children under 15, then 20% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.1% of the population, while another 28.4% fall into the 45 to 64 bracket. Finally, around 20.2% are 65 or older.

Median age
44
Age breakdown
Under 15
10.3%
15 to 24
20%
25 to 44
21.1%
45 to 64
28.4%
Over 65
20.2%
Value Percent YoY change
Under 15 137 10.3% 45.7%
15 to 24 267 20% 161.8%
25 to 44 282 21.1% 3.7%
45 to 64 379 28.4% -10.4%
Over 65 270 20.2% 5.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In McHenry, 93.7% of the population are US-born citizens, while 2% have gained naturalized citizenship. At the same time, 4.3% of residents are non-citizens. As for race, 84.6% of locals are Caucasian, 6.1% are African American and 2.6% have Asian roots. There’s also a share of 6.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93.7%
Non-U.S.-born citizens
2%
Non-citizens
4.3%
Value Percent YoY change
U.S.-born citizens 1,251 93.7% 15.5%
Non-U.S.-born citizens 27 2% 35.0%
Non-citizens 57 4.3% 29.6%
Racial breakdown
White
84.6%
Black or African American
6.1%
American Indian and Alaska Native
0%
Asian
2.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.7%
Other
0.1%
Value Percent
White 1,130 84.6%
Black or African American 81 6.1%
Asian 34 2.6%
Two or more races 89 6.7%
Other 1 0.1%

Households in McHenry

A peek inside McHenry households

McHenry has 562 households, with an average of 2 members in each. Of these, 53% are families, while the remaining 47% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
562
-12.6% year-over-year change
Average people per household
2
Non-family households
264
Family households
298
Value Percent YoY change
Non-family households 264 47% -29.2%
Family households 298 53% 10.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in McHenry

The housing landscape of McHenry

McHenry's housing consists of 1,928 units, with 73.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 13.6% 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 8.6% of the housing landscape.

Housing units
1,928
-4.2% year-over-year change
Housing types
Value Percent
1 unit, detached 1,412 73.2%
1 unit, attached 263 13.6%
3 or 4 units 35 1.8%
5 to 9 units 39 2%
50 or more units 15 0.8%
Mobile home 165 8.6%
Homes built since 2020
35
% year-over-year change

The age of buildings in McHenry

In McHenry, the median construction year is 1986. Most development happened in the second half of the 20th century. Then, 19% of homes were added from 2000 to 2009, 9.3% between 2010 and 2019, and 1.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 84 4.4% -20.0%
Built between 1940 and 1949 1 0% -98.6%
Built between 1950 and 1959 144 7.5% -4.6%
Built between 1960 and 1969 164 8.5% -7.3%
Built between 1970 and 1979 295 15.3% 65.7%
Built between 1980 and 1989 467 24.2% 2.4%
Built between 1990 and 1999 194 10.1% -6.3%
Built between 2000 and 2009 366 19% -21.5%
Built between 2010 and 2019 179 9.3% -11.8%
Built in 2020 or later 35 1.8% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

McHenry occupancy rates

Out of the 562 occupied housing units in McHenry, 85.2% are owner-occupied, while 14.8% are lived in by tenants. Meanwhile, 70.9% of all homes on the local market sit vacant.

Occupied housing units
562
-12.6% year-over-year change
Occupancy breakdown
Renter occupied
83
Owner occupied
479
Value Percent YoY
change
Renter occupied 83 14.8% -48.8%
Owner occupied 479 85.2% -0.4%
Unoccupied housing units
70.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

McHenry housing costs

Housing costs in McHenry come to a median of $1,444 per month, while tenants specifically pay a median gross rent of $893.

Median housing costs per month
$1,444/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in McHenry
$893/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in McHenry

McHenry education at a glance

About 35% of the population in McHenry went to high school, while 18.6% pursued college studies. Another 10.2% earned an associate degree and 13.5% hold a bachelor’s. Meanwhile, 18.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 48 4.1% 23.1%
High school diploma 408 35% -3.3%
College diploma 217 18.6% 138.5%
Associate degree 119 10.2% -16.8%
Bachelor's degree 157 13.5% 14.6%
Graduate degree 215 18.5% 12.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in McHenry

How much people earn in McHenry

The average annual household income in McHenry was $133,700 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +17.9% change from the previous year. At the same time, the median income stood at $82,955, reflecting a +27% shift over the same period.

Average household income in McHenry
$133,700/year
17.9% year-over-year change
Median household income in McHenry
$82,955/year
26.9% year-over-year change

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 $91,375. Those with someone between 45 and 64 in charge, often well established professionally, earn $59,015 overall. Overall, 94.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $91,375 2.5%
45 - 64 $59,015 4.0%
Over 65 $142,644 81.4%
Above poverty level
1,031
Below poverty level
62
Value Percent YoY
change
Above poverty level 1,031 94.3% 0.5%
Below poverty level 62 5.7% -4.6%

Employment in McHenry

Workforce and job types in McHenry

87.9% of the working population are employed in professional or administrative positions, while 12.1% are in hands-on or service-based jobs. Also, 15.7% run their own businesses, 47.1% are employed by private companies, and 16% work in the public sector.

Workforce demographics

White collar
616
Blue collar
85
Value Percent YoY change
White collar 616 87.9% 2.5%
Blue collar 85 12.1% -4.5%
Employer type
Self employees
15.7%
Private companies
47.1%
Governmental workers
16%
Not for profit companies
21.3%
Value Percent YoY change
Self employees 110 15.7% 18.3%
Private companies 330 47.1% -7.0%
Governmental workers 112 16% 3.7%
Not for profit companies 149 21.3% 11.2%

Transportation in McHenry

How people get around in McHenry

Commuting methods vary: 95.6% of residents travel by personal vehicle and 4.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 568 95.6% -9.0%
Walk 26 4.4% 766.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in McHenry by zipcode?

Zipcode Population Number of households Median income Average income
21541 1,335 562 $82,955 $133,709

Explore more communities

FAQs about McHenry demographics 

What is the total population of McHenry?

McHenry has a total population of 1,335 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +16.4% compared to a year ago.

What is the gender ratio in McHenry?

The gender ratio in McHenry is as follows:
  • 54.5% males (727 residents)
  • 45.5% females (608 residents)

What is the median age in McHenry?

The median age in McHenry is 44.

What is the age distribution of the population in McHenry?

The age distribution in McHenry is as follows:
  • Under 15: 10.3% (137 residents)
  • Ages 15-24: 20% (267 residents)
  • Ages 25-44: 21.1% (282 residents)
  • Ages 45-64: 28.4% (379 residents)
  • Over 65: 20.2% (270 residents)

What is the racial and ethnic makeup of McHenry?

The racial and ethnic makeup of McHenry is as follows:
  • White: 84.6% (1,130 residents)
  • Black or African American: 6.1% (81 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 2.6% (34 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 6.7% (89 residents)
  • Other: 0.1% (1 residents)

What percentage of the population in McHenry are U.S.-born citizens?

U.S.-born citizens represent 93.7% of the population in McHenry.

How many housing units are there in McHenry?

There are 1,928 housing units in McHenry, reflecting a -4.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in McHenry and what is the average household size?

McHenry has a total of 562 households, with an average of 2 people in each.

What is the median household income in McHenry?

McHenry has a median household income of $82,955, representing a +26.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for McHenry?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.9% (616 residents)
  • Blue-collar workers: 12.1% (85 residents)

Places of employment:
  • Self-employed: 15.7% (110 residents)
  • Private companies: 47.1% (330 residents)
  • Governmental workers: 16% (112 residents)
  • Not-for-profit companies: 21.3% (149 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.

Page last updated: September 2025