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COUNTY · 2010 ACS

McHenry County

Illinois · 308,760 residents · 603.397 sq mi
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The short version

McHenry County is significantly wealthier than the US average, with a median household income of $76,482. Population has grown 19% since 2000. Median home value is $249,700. Poverty is rare here, at 6.2% of residents. Households here earn about 37% more than the Illinois median.

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

308,760
+19%since 2000
from 260,077 in 2000
1990 – 2025
512 / sq mi
+19%since 2000
from 431 / sq mi in 2000
US average: 261
38.0
+11%since 2000
from 34.2 in 2000
US average: 37.2
Population, 19902024
170K209K248K287K326K1990201020202024McHenry County
2024313K
1990201020202024
Section 02

Income & economy

$76,482
−7%inflation adjusted, since 2000
from $64,826 in 2000
US average: $52,703
1990 – 2024
$31,838
+20%since 2000
from $26,476 in 2000
US average: $27,286
Households earning $100K+
51.3%
−0.6 ptssince 2009
from 51.9% in 2009
US average: 33.3%
6.2%
+2.5 ptssince 2000
from 3.7% in 2000
US average: 13.8%
0.386
US average: 0.461
Workforce by industry, 2010
Retail trade17%
US avg: 10.9%
Information12.6%
US avg: 11.5%
Wholesale trade8%
US avg: 7.2%
Other services7.3%
US avg: 7%
Public administration5.7%
US avg: 4.9%
Finance & insurance4.7%
US avg: 5.1%
Transportation & warehousing4.5%
US avg: 3.1%
Professional, scientific, technical4.3%
US avg: 4.2%
Arts, entertainment, food2.7%
US avg: 2.4%
Agriculture, forestry, fishing0.8%
US avg: 1.9%
Construction0.7%
US avg: 1.4%
Education & health services0.4%
US avg: 0.9%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$249,700
+18%inflation adjusted, since 2000
from $167,400 in 2000
US average: $225,659
1990 – 2024
$998
+4%inflation adjusted, since 2000
from $761 in 2000
US average: $853
68.0%
−15.2 ptssince 2000
from 83.2% in 2000
16.9% rent
5.8%
+0.1 ptssince 2009
from 5.7% in 2009
US average: 12.1%
38.1%
+1.9 ptssince 2009
from 36.2% in 2009
US average: 30.9%
49.3%
+0.9 ptssince 2009
from 48.4% in 2009
US average: 46.8%
3.3
+26%since 2000
from 2.6 in 2000
1990 – 2024
RELATED:See current rent listings in McHenry County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic89.6%(233,026)
Black0.5%(1,379)
Hispanic / Latino7.5%(19,602)
Asian1.4%(3,734)
Other0%
Diversity Score22.1%(57,400)
2010
White, non-Hispanic83.7%(258,584)
Black1%(3,045)
Hispanic / Latino11.4%(35,249)
Asian2.5%(7,712)
Other1.1%(3,516)
Diversity Score35.2%(108,716)
35
+60%since 2000
from 22 in 2000
1990 – 2024
Section 05

Education

32.1%
+4.4 ptssince 2000
from 27.7% in 2000
US average: 27.9%
High school or higher
91.7%
+2.5 ptssince 2000
from 89.2% in 2000
US average: 84.9%
10.2%
+2.0 ptssince 2000
from 8.2% in 2000
US average: 10.2%
Section 06

Commute & transportation

33.7 min
+34%since 2000
from 25.2 min in 2000
US average: 25.2
81.3%
−0.3 ptssince 2009
from 81.5% in 2009
US average: 76.2%
7.9%
−0.1 ptssince 2009
from 8.1% in 2009
US average: 10.4%
2.7%
−0.2 ptssince 2009
from 2.9% in 2009
US average: 4.7%
5.5%
+0.4 ptssince 2009
from 5.1% in 2009
US average: 4.1%
1.5%
+0.1 ptssince 2009
from 1.4% in 2009
US average: 2.8%
0.3%
Unchangedsince 2009
from 0.2% in 2009
US average: 0.5%
3.0%
Unchangedsince 2009
from 3.0% in 2009
US average: 8.7%
Section 07

Work & employment

10.7%
+0.3 ptssince 2009
from 10.4% in 2009
US average: 12.9%
36.8%
−26.6 ptssince 2009
from 63.4% in 2009
US average: 35.2%
Section 08

People & community

49.9%
−0.4 ptssince 2009
from 50.3% in 2009
50.1%
+0.4 ptssince 2009
from 49.7% in 2009
9.8%
−0.3 ptssince 2009
from 10.0% in 2009
US average: 12.8%
8.5%
−41.4 ptssince 2009
from 49.9% in 2009
US average: 9.9%
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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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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