United States › Illinois › McHenry CITY · 2000 CENSUS
McHenry Illinois · 21,501 residents · 14.8 sq mi
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The short version
McHenry is a city of 21,501 people in Illinois. The population is up 33% since 1990. 76% of homes are owner-occupied. Poverty is uncommon here, at 4.6% of people here. That is roughly 20% ahead of the Illinois median. Median household income runs $55,759, well clear of the $42,589 US median.
At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 34.3
US median: 35.2
Average education
22% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 32.6 in 1990
US average: 35.2
Population, 1990 – 2024
15K 19K 22K 26K 29K 1990 2000 2010 2020 2024 McHenry Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $55,759
+15%inflation adjusted, since 1990
from $36,838 in 1990
US average: $42,589
from $15,435 in 1990
US average: $21,522
from 5.1% in 1990
US average: 12.4%
$147,100
+12%inflation adjusted, since 1990
from $100,100 in 1990
US average: $120,530
$722
+6%inflation adjusted, since 1990
from $519 in 1990
US average: $602
from 74.8% in 1990
23.7% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 98.7%(15,970)
Hispanic / Latino 2.3%(368)
2000
White, non-Hispanic 90.9%(19,536)
Hispanic / Latino 7.1%(1,527)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 28 more ancestry groups with data from 16.0% in 1990
US average: 24.4%
High school or higher
from 82.8% in 1990
US average: 80.3%
from 4.3% in 1990
US average: 8.8%
Section 06
Commute & transportation from 25.1 min in 1990
US average: 17.6
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status
Men 15+
Never married 25.2%(1,952)
Women 15+
Never married 19.7%(1,685)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 10.9% in 2013
US average: 8.4%
from 64.0% in 2020
US average: 54.8%
Direct-purchase
from 13.7% in 2020
US average: 13.8%
from 16.9% in 2020
US average: 18.4%
from 12.9% in 2020
US average: 20.9%
VA health care
from 2.0% in 2020
US average: 2.2%
Any private
from 75.5% in 2020
US average: 67.1%
Any public
from 29.0% 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) 30.8%(378)
Gulf War (1990s) 18.2%(223)
Share of the 1,226 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.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
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Frequently asked
How many people live in McHenry, Illinois? McHenry, Illinois has about 21,501 residents according to the 2000 Census.
What is the median household income in McHenry, Illinois? The typical household in McHenry, Illinois earns about $55,759 a year. Half of households make more than that, and half make less.
Is McHenry, Illinois expensive? In McHenry, Illinois, the median home is worth about $147,100, and the typical rent is about $722 a month.
How educated are people in McHenry, Illinois? About 22.1% of adults age 25 and over in McHenry, Illinois hold a bachelor's degree or higher.
What is the poverty rate in McHenry, Illinois? About 4.6% of people in McHenry, Illinois live below the federal poverty line.
Has McHenry, Illinois grown since 1990? Yes, McHenry, Illinois has grown since 1990. The population has added about 5,324 residents, a change of about 33 percent over that period.
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