Mchenry County Summary

Life in Mchenry County research summary. HomeSnacks has been researching the quality of life in Mchenry County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Mchenry County:

  • The population in Mchenry County is 311,133.

  • The median home value in Mchenry County is $311,691.

  • The median income in Mchenry County is $100,101.

  • The median rent in Mchenry County is $1,310.

  • The unemployment rate in Mchenry County is 4.9%.

  • The poverty rate in Mchenry County is 6.0%.

  • The average high in Mchenry County is 65.4° and there are 82.6 inches of rainfall annually.

Cities & Towns in Mchenry County

List Of Cities & Towns in Mchenry County

Crystal Lake, IL Population 40,463

Algonquin, IL Population 29,888

Lake in the Hills, IL Population 28,958

Huntley, IL Population 27,652

McHenry, IL Population 27,493

Woodstock, IL Population 26,084

Cary, IL Population 17,880

Fox Lake, IL Population 10,798

Harvard, IL Population 9,705

Island Lake, IL Population 8,039

Marengo, IL Population 7,471

Johnsburg, IL Population 6,387

Lakemoor, IL Population 6,128

Spring Grove, IL Population 5,694

Lakewood, IL Population 4,698

Fox River Grove, IL Population 4,600

Barrington Hills, IL Population 3,890

Wonder Lake, IL Population 3,833

Pistakee Highlands, IL Population 3,292

Oakwood Hills, IL Population 2,475

Richmond, IL Population 2,266

Prairie Grove, IL Population 1,967

Port Barrington, IL Population 1,557

Hebron, IL Population 1,456

Bull Valley, IL Population 1,248

McCullom Lake, IL Population 955

Ringwood, IL Population 779

Holiday Hills, IL Population 676

Trout Valley, IL Population 593

Union, IL Population 568

Greenwood, IL Population 512

Chemung, IL Population 386

Map Of Mchenry County

Mchenry County, IL Weather

  • The average high in Mchenry County is 65.4°.

  • There are 73.88 nice days each year.

  • Expect an average of 82.6 inches of rain each year with 11.6 inches of snow.

  • There is an average of 4:35 hours of sun each day in Mchenry County.

StatMchenry County
Mean High65.4
Nice Days73.88
Rainfall82.6
Snowfall11.6
Sunny_hours4:35
65.4°
Average High
82.6
Inches of Rain

Mchenry County Photos

Bhills
Source: Public Domain
Bcenterchurch
Source: Public Domain
Bhills Estate
Source: Public Domain
Cary Sign
Source: Public Domain
Pacebuscl
Source: Wikipedia User Gmk8706 | CC BY-SA 3.0
Crystal Lake
Source: Public Domain

Mchenry County Demographics

Population over time in Mchenry County

The current population in Mchenry County is 311,133. The population has increased 1.0% from 2019.

Year Population % Change
2022 310,749 1.1%
2021 307,291 -0.1%
2020 307,714 -

Gender in Mchenry County

  • Mchenry County is 49.9% female with 155,200 female residents.

  • Mchenry County is 50.1% male with 155,933 male residents.

Female
49.9% (155,200)
Male
50.1% (155,933)
Gender Mchenry County IL USA
Female 49.9% 50.5% 50.4%
Male 50.1% 49.5% 49.6%

Race / Ethnicity in Mchenry County

Mchenry County is:

  • 78.7% White with 244,957 White residents.

  • 1.5% African American with 4,593 African American residents.

  • 0.1% American Indian with 163 American Indian residents.

  • 2.8% Asian with 8,777 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.2% Other with 657 Other residents.

  • 2.4% Two Or More with 7,361 Two Or More residents.

  • 14.3% Hispanic with 44,625 Hispanic residents.

White
78.7% (244,957)
African American
1.5% (4,593)
American Indian
0.1% (163)
Asian
2.8% (8,777)
Hawaiian
0.0% (0)
Other
0.2% (657)
Two Or More
2.4% (7,361)
Hispanic
14.3% (44,625)

Table: Mchenry County By Race

Race Mchenry County IL USA
White 78.7% 59.6% 58.9%
African American 1.5% 13.7% 12.1%
American Indian 0.1% 0.1% 0.6%
Asian 2.8% 5.7% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.2% 0.3% 0.4%
Two Or More 2.4% 2.8% 3.5%
Hispanic 14.3% 17.8% 18.7%

Household Income For Mchenry County, Illinois

  • 2.8% of households in Mchenry County earn Less than $10,000.

  • 1.8% of households in Mchenry County earn $10,000 to $14,999.

  • 3.9% of households in Mchenry County earn $15,000 to $24,999.

  • 5.2% of households in Mchenry County earn $25,000 to $34,999.

  • 7.8% of households in Mchenry County earn $35,000 to $49,999.

  • 14.6% of households in Mchenry County earn $50,000 to $74,999.

  • 13.9% of households in Mchenry County earn $75,000 to $99,999.

  • 21.5% of households in Mchenry County earn $100,000 to $149,999.

  • 13.9% of households in Mchenry County earn $150,000 to $199,999.

  • 14.7% of households in Mchenry County earn $200,000 or more.

Less than $10,000
2.8% (8,614)
$10,000 to $14,999
1.8% (5,464)
$15,000 to $24,999
3.9% (12,079)
$25,000 to $34,999
5.2% (16,285)
$35,000 to $49,999
7.8% (24,259)
$50,000 to $74,999
14.6% (45,397)
$75,000 to $99,999
13.9% (43,339)
$100,000 to $149,999
21.5% (66,779)
$150,000 to $199,999
13.9% (43,220)
$200,000 or more
14.7% (45,691)
Income Mchenry County IL USA
Less than $10,000 2.8% 5.3% 4.9%
$10,000 to $14,999 1.8% 3.5% 3.8%
$15,000 to $24,999 3.9% 6.7% 7.0%
$25,000 to $34,999 5.2% 7.1% 7.4%
$35,000 to $49,999 7.8% 10.1% 10.7%
$50,000 to $74,999 14.6% 15.4% 16.1%
$75,000 to $99,999 13.9% 12.9% 12.8%
$100,000 to $149,999 21.5% 17.6% 17.1%
$150,000 to $199,999 13.9% 9.4% 8.8%
$200,000 or more 14.7% 12.1% 11.4%

Highest level of educational attainment in Mchenry County for adults over 25

  • 2.0% of adults in Mchenry County completed < 9th grade.

  • 4.0% of adults in Mchenry County completed 9-12th grade.

  • 26.0% of adults in Mchenry County completed high school / ged.

  • 23.0% of adults in Mchenry County completed some college.

  • 10.0% of adults in Mchenry County completed associate's degree.

  • 23.0% of adults in Mchenry County completed bachelor's degree.

  • 10.0% of adults in Mchenry County completed master's degree.

  • 1.0% of adults in Mchenry County completed professional degree.

  • 1.0% of adults in Mchenry County completed doctorate degree.

< 9th Grade
2% (6,222)
9-12th Grade
4% (12,445)
High School / GED
26% (80,894)
Some College
23% (71,560)
Associate's Degree
10% (31,113)
Bachelor's Degree
23% (71,560)
Master's Degree
10% (31,113)
Professional Degree
1% (3,111)
Doctorate Degree
1% (3,111)
Education Mchenry County IL USA
< 9th Grade 2% 6% 3%
9-12th Grade 4% 5% 6%
High School / GED 26% 25% 26%
Some College 23% 20% 20%
Associate's Degree 10% 8% 9%
Bachelor's Degree 23% 22% 21%
Master's Degree 10% 11% 10%
Professional Degree 1% 2% 2%
Doctorate Degree 1% 1% 2%

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