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CITY · 2000 CENSUS

McHenry

Illinois · 21,501 residents · 14.829 sq mi
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The short version

McHenry is significantly wealthier than the US average, with a median household income of $55,759. Population has grown 33% since 1990. Median home value is $147,100. Poverty is rare here, at 4.6% of residents.

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

Total population
21,501
+33%since 1990
from 16,177 in 1990
1990 – 2025
Population density
1,450 / sq mi
+33%since 1990
from 1,091 / sq mi in 1990
US average: 242
Median age
34.3
+5%since 1990
from 32.6 in 1990
US average: 35.2
Population, 1990 – 2024
15K19K22K26K29K1990201020202024McHenry
202428K
1990201020202024
Section 02

Income & economy

Median household income
$55,759
+15%inflation adjusted, since 1990
from $36,838 in 1990
US average: $42,589
1990 – 2024
Per capita income
$23,272
+51%since 1990
from $15,435 in 1990
US average: $21,522
Poverty rate
4.6%
−0.5 ptssince 1990
from 5.1% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$147,100
+12%inflation adjusted, since 1990
from $100,100 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$722
+6%inflation adjusted, since 1990
from $519 in 1990
US average: $602
Owner-occupied
76.3%
+1.5 ptssince 1990
from 74.8% in 1990
23.7% rent
Afford Score
2.6
−3%since 1990
from 2.7 in 1990
1990 – 2024
RELATED:See current rent listings in McHenry on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.7%(15,970)
Black0.1%(23)
Hispanic / Latino2.3%(368)
Asian0.4%(69)
Diversity Score8.5%(1,370)
2000
White, non-Hispanic90.9%(19,536)
Black0.3%(62)
Hispanic / Latino7.1%(1,527)
Asian0.9%(191)
Diversity Score19.4%(4,161)
Diversity Score
19
+129%since 1990
from 8 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
22.1%
+6.0 ptssince 1990
from 16.0% in 1990
US average: 24.4%
High school or higher
87.2%
+4.4 ptssince 1990
from 82.8% in 1990
US average: 80.3%
Graduate degree
5.7%
+1.5 ptssince 1990
from 4.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
22.7 min
−9%since 1990
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.

Drill deeper

Places similar to McHenry

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Pop 31,343
Williston
Pop 29,522
Key West
Pop 24,999
Citrus Park
Pop 28,804
Places similar to McHenry
Head to head

Compare McHenry to nearby cities

MCHENRY VS
Island Lake
Income$103,156+85%
Home value$262,500+78%
Population8,047−72%
SEE FULL COMPARISON →
MCHENRY VS
Crystal Lake
Income$108,418+94%
Home value$311,400+112%
Population42,288+45%
SEE FULL COMPARISON →
MCHENRY VS
Woodstock
Income$82,758+48%
Home value$245,700+67%
Population25,740−12%
SEE FULL COMPARISON →
MCHENRY VS
Fox Lake
Income$70,819+27%
Home value$228,100+55%
Population10,849−63%
SEE FULL COMPARISON →
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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →