United States › Illinois › McHenry County COUNTY · 2010 ACS
McHenry County Illinois · 308,760 residents · 603 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 308,760 people, McHenry County is a county in Illinois. Owners hold 83% of the housing stock. Households here earn about 37% more than in Illinois as a whole. The median household earns $76,482, about 45% above the national median. The poverty rate is 6.2%, under the national 13.8%. The average commute runs 34 minutes.
At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 38.0
US median: 37.2
More educated
32% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 34.2 in 2000
US average: 37.2
Population, 1990 – 2024
170K 209K 248K 287K 326K 1990 2000 2010 2020 2024 McHenry County Age distribution, 2010
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Section 02
Income & economy $76,482
−7%inflation adjusted, since 2000
from $64,826 in 2000
US average: $52,703
from $26,476 in 2000
US average: $27,286
Households earning $100K+
from 51.9% in 2009
US average: 33.3%
from 3.7% in 2000
US average: 13.8%
Workforce by industry, 2010
Public administration 5.7%
Transportation & warehousing 4.5%
Professional, scientific, technical 4.3%
Arts, entertainment, food 2.7%
Agriculture, forestry, fishing 0.8%
Education & health services 0.4%
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$249,700
+18%inflation adjusted, since 2000
from $167,400 in 2000
US average: $225,659
$998
+4%inflation adjusted, since 2000
from $761 in 2000
US average: $853
from 83.2% in 2000
16.9% rent
from 5.7% in 2009
US average: 12.1%
from 2.91 people in 2009
US average: 2.60
from 36.2% in 2009
US average: 30.9%
from 48.4% in 2009
US average: 46.8%
from 3.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 89.6%(233,026)
Hispanic / Latino 7.5%(19,602)
2010
White, non-Hispanic 83.7%(258,584)
Hispanic / Latino 11.4%(35,249)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 6 more hispanic origin groups with data Ancestry
+ 43 more ancestry groups with data from 27.7% in 2000
US average: 27.9%
High school or higher
from 89.2% in 2000
US average: 84.9%
from 8.2% in 2000
US average: 10.2%
Section 06
Commute & transportation from 25.2 min in 2000
US average: 25.2
from 81.5% in 2009
US average: 76.2%
from 8.1% in 2009
US average: 10.4%
from 2.9% in 2009
US average: 4.7%
from 5.1% in 2009
US average: 4.1%
from 1.4% in 2009
US average: 2.8%
from 0.2% in 2009
US average: 0.5%
from 3.0% in 2009
US average: 8.7%
Section 07
Work & employment from 10.4% in 2009
US average: 12.9%
from 35.4% in 2009
US average: 35.2%
Section 08
People & community from 10.0% in 2009
US average: 12.8%
from 8.8% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 31.7%(40,417)
Women 15+
Never married 26.6%(34,090)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 9.3% in 2013
US average: 8.4%
from 68.2% in 2020
US average: 54.8%
Direct-purchase
from 13.7% in 2020
US average: 13.8%
from 15.2% in 2020
US average: 18.4%
from 11.2% in 2020
US average: 20.9%
VA health care
from 1.9% in 2020
US average: 2.2%
Any private
from 80.0% in 2020
US average: 67.1%
Any public
from 25.9% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 24.4%(3,268)
Gulf War (1990s) 23%(3,080)
Share of the 13,409 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to McHenry County Head to head
Compare McHenry County to nearby counties MCHENRY COUNTY VS
Boone County
Income $84,571 +11%
Home value $216,900 −13%
Population 53,568 −83%
SEE FULL COMPARISON →
MCHENRY COUNTY VS
Walworth County
Income $80,520 +5%
Home value $302,700 +21%
Population 106,127 −67%
SEE FULL COMPARISON →
MCHENRY COUNTY VS
Kane County
Income $103,163 +35%
Home value $327,000 +31%
Population 525,757 +65%
SEE FULL COMPARISON →
MCHENRY COUNTY VS
DeKalb County
Income $70,724 −8%
Home value $243,600 −2%
Population 101,835 −68%
SEE FULL COMPARISON →
Frequently asked
How many people live in McHenry County, Illinois? McHenry County, Illinois has about 308,760 residents according to the 2010 American Community Survey.
What is the median household income in McHenry County, Illinois? The typical household in McHenry County, Illinois earns about $76,482 a year. Half of households make more than that, and half make less.
Is McHenry County, Illinois expensive? In McHenry County, Illinois, the median home is worth about $249,700, and the typical rent is about $998 a month.
How educated are people in McHenry County, Illinois? About 32.1% of adults age 25 and over in McHenry County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in McHenry County, Illinois? About 6.2% of people in McHenry County, Illinois live below the federal poverty line.
Has McHenry County, Illinois grown since 1990? Yes, McHenry County, Illinois has grown since 1990. The population has added about 125,519 residents, a change of about 68 percent over that period.
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