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McHenry County, Illinois

County

Population: 311,366 (2023 estimate)

Located in Illinois

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — McHenry County

What is the median household income in McHenry County?
The median household income in McHenry County is $84,314 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in McHenry County?
The poverty rate in McHenry County is 3.4% (U.S. Census Bureau ACS 2023).
What is the median home value in McHenry County?
$225,500 (U.S. Census Bureau ACS 2023).
What is the average rent in McHenry County?
The median gross rent in McHenry County is $1,309 per month (U.S. Census Bureau ACS 2023).
What percentage of McHenry County residents have a college degree?
33.3% of adults in McHenry County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
35,818
Median Income
$84,314
Median Home Value
$225,500
Poverty Rate
3.4%
Unemployment (ACS 2023)
3.4%
Median Age
38.0 yrs
Since 2019 Median Income: +$14,913 (+21.5%) Home Value: +$51,700 (+29.7%) Poverty Rate: 0.0 pp (+0%) Bachelor's+: -0.2 pp (-0.6%) Unemployment: -0.9 pp (-20.9%)

Demographics

Total Population 35,818
Median Age 38.0
Female 50.1%
Race & Ethnicity
Hispanic or Latino 8.4% White (non-Hisp.) 53.2% Black 22.5% Asian 12.8% Two or More 6.0% Other 2.9%
Asian Subgroups (% of total pop.)
Indian
2.6%
Vietnamese
1.5%
Chinese
0.7%
Korean
0.3%
Filipino
0.2%
Hispanic Subgroups (% of total pop.)
Puerto Rican
4.4%
Mexican
1.1%
Cuban
0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $84,314 ±$5,635
+$2,612 vs. state
Per Capita Income $96,716
Median Family Income $100,595
Poverty Rate 3.4%
-4.8 pp vs. state
Child Poverty Rate 4.4%
Working-Age Poverty Rate
SNAP Recipients 9.0%
Social Security Income
Retirement Income 32.9%
Household Income Distribution
< $10k
3.2%
$10–15k
1.8%
$15–25k
4.2%
$25–35k
6.3%
$35–50k
9.2%
$50–75k
19.4%
$75–100k
16.9%
$100–150k
21.2%
$150–200k
9.6%
$200k+
8.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 14,880
Owner-Occupied 67.5%
Renter-Occupied 32.5%
Vacancy Rate 3.0%
Median Home Value $225,500
-$25,000 vs. state
Median Gross Rent $1,309
Owner Cost Burden (30%+) 16.9%
Renter Cost Burden (30%+) 31.6%
Home Value Distribution
< $50k
2.1%
$50–100k
2.3%
$100–200k
14.0%
$200–300k
37.3%
$300–500k
20.7%
$500k–$1M
4.3%
$1M+
0.6%
Gross Rent Distribution
< $500
2.8%
$500–1k
17.4%
$1–1.5k
46.6%
$1.5–2k
26.0%
$2–2.5k
6.4%
$2.5–3.5k
0.4%
$3.5k+
0.4%
Vehicle Availability
No vehicle
5.9%
1 vehicle
35.1%
2 vehicles
40.2%
3+
18.8%
Housing Type
Single-fam. det.
48.7%
Single-fam. att.
25.3%
2–4 units
1.7%
5–19 units
7.5%
20+ units
4.3%
Mobile home
1.1%
Housing Age
Pre-1940
8.0%
1940–1969
4.7%
1970–1999
13.2%
2000–2009
10.6%
2010+
10.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 90.3%
Bachelor's or Higher 33.3%
-3.9 pp vs. state
Graduate Degree 11.3%
Some College / Associate 15.2%
Less Than High School 3.6%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 64.4%
Unemployment Rate 3.4%
-2.4 pp vs. state
Work from Home 17.1%
Self-Employed 3.6%
Government Workers 17.5%
Private For-Profit 78.6%
Industry
Edu/Health
27.1%
Retail
10.1%
Public Admin
9.7%
Prof. Services
9.0%
Finance
8.4%
Transportation
8.4%
Arts/Entmt.
7.8%
Manufacturing
7.7%
Wholesale
3.6%
Construction
2.9%
Information
0.9%
Agriculture
0.3%
Occupation
Management
39.9%
Sales
21.4%
Food Prep
18.2%
Production
15.5%
Construction
5.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 21.5 min
Drove Alone 75.4%
Carpool 5.9%
Public Transit 0.4%
Work from Home 17.1%
Walked 0.3%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 14,432
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 42.6%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 14.3%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
4.0%
5–9
6.4%
10–14
5.4%
15–19
5.7%
20–24
6.7%
25–34
16.9%
35–44
10.6%
45–54
11.9%
55–64
6.4%
65–74
7.9%
75–84
10.8%
85+
5.3%
Under 18: 19.2% Working age (18–64): 80.8% 65 and over: 18.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 13.6%
Naturalized Citizen 68.7%
Speaks English Less Than Very Well 9.0%
Foreign-Born Origin
Asia
70.5%
Latin America
13.3%
Africa
11.1%
Europe
5.2%

Veterans & Disability

Veteran 6.6%
With a Disability 11.9%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 93.9%
Uninsured 6.1%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 94.3%
Has a Computer 97.2%
Same House 1 Year Ago 85.8%
Moved from Abroad 0.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare McHenry County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to McHenry County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
Cook County 2,305 4,112
Lake County 1,276 2,134
Kane County 1,142 2,004
Other flows - South 605 1,060
Other flows - Midwest 477 794
DuPage County 448 746
Other flows - West 314 550
Walworth County 138 234
Other flows - Northeast 135 225
Winnebago County 132 207