McHenry County, Illinois Population 2022

McHenry County, Illinois's estimated population is 310,523 with a growth rate of 0.05% in the past year according to the most recent United States census data. McHenry County, Illinois is the 6th largest county in Illinois. The 2010 Population was 308,760 and has seen a growth of 0.57% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18402,5780.00%
185014,97812,400480.99%
186022,0897,11147.48%
187023,7621,6737.57%
188024,9081,1464.82%
189026,1141,2064.84%
190029,7593,64513.96%
191032,5092,7509.24%
192033,1646552.01%
193035,0791,9155.77%
194037,3112,2326.36%
195050,65613,34535.77%
196084,21033,55466.24%
1970111,55527,34532.47%
1980147,89736,34232.58%
1990183,24135,34423.90%
2010308,760125,51968.50%
2011308,9071470.05%
2012309,0541470.05%
2013309,2011470.05%
2014309,3481470.05%
2015309,4951470.05%
2016309,6421470.05%
2017309,7891470.05%
2018309,9361470.05%
2019310,0831470.05%
2020310,2291460.05%
2021310,3761470.05%
2022310,5231470.05%
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McHenry County, Illinois Population Growth

Population by Race

Race Population Percentage
White278,67690.69%
Black or African American4,4701.45%
American Indian and Alaska Native2780.09%
Asian8,2782.69%
Native Hawaiian and Other Pacific Islander40.00%
Some Other Race4,6801.52%
Two or More Races10,9053.55%
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McHenry County, Illinois Population by Race

McHenry County, Illinois Population Pyramid 2022

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McHenry County, Illinois Median Age

40.2


Total

39.4


Male

41.2


Female

McHenry County, Illinois Adults

There are 235,064 adults, (44,851 of whom are seniors) in McHenry County, Illinois.

McHenry County, Illinois Age Dependency

Age Dependency Ratio

23.6

Old Age Dependency Ratio

38

Child Dependency Ratio

McHenry County, Illinois Sex Ratio

Female

154,401

50.25%

Male

152,890

49.75%

McHenry County, Illinois Population by Age

McHenry County, Illinois Renter vs Owner Occupied by Household Type

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McHenry County, Illinois Household Types

Type Owner Renter
Married89.6%10.4%
All80.1%19.9%
Non Family68%32%
Male67.8%32.2%
Female59.5%40.5%

80.1%

Rate of Home Ownership

McHenry County, Illinois Households and Families

Type Count Average Size Owned
All113,2692.780.1
Married68,0423.2389.6
Male5,1623.2467.8
Female11,3532.9859.5
Non Family28,7121.2268

3.12

Average Family Size

2.7

Average Household Size

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McHenry County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5,6012.68%
9th to 12th Grade8,4194.02%
High School Graduate54,09925.85%
Some College48,44723.15%
Associates Degree18,9929.07%
Bachelors Degree49,36023.59%
Graduate Degree24,36511.64%
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McHenry County, Illinois Educational Attainment by Sex (over 25)

McHenry County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
Asian6,0275,2953,790
Black2,6762,5131,089
White176,713169,61964,234
2+ Races4,4023,7961,220
Hispanic21,57115,6843,619
Other Race3,0402,099453
Native American21719023
Islander44

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 62.88%.

McHenry County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$50,559$62,996$38,892
Less Than 9th Grade$28,552$35,282$21,003
High School Graduate$40,370$50,900$28,847
Some College$45,902$60,423$33,785
Bachelors Degree$64,798$84,492$49,272
Graduate Degree$77,553$104,015$63,529

$50,559

Average Earnings

$62,996

Average Male

$38,892

Average Female

McHenry County, Illinois Earnings by Educational Attainment

McHenry County, Illinois Language by Age

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McHenry County, Illinois Language

86.15% of McHenry County, Illinois residents speak only English, while 13.85% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 8.65% of the population.

McHenry County, Illinois Language

McHenry County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic40,5565,52913.63%
Black4,28450811.86%
Asian8,2438069.78%
Native278248.63%
White245,12912,5725.13%
Other524NaN%
Multiple10,7217787.26%

6.55%

Overall Poverty Rate

5.89%

Male Poverty Rate

7.19%

Female Poverty Rate

Poverty in McHenry County, Illinois

The race most likely to be in poverty in McHenry County, Illinois is Hispanic, with 13.63% below the poverty level.

The race least likely to be in poverty in McHenry County, Illinois is Multiple, with 7.26% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.36%. Among those working part-time, it was 7.98%, and for those that did not work, the poverty rate was 11.12%.

McHenry County, Illinois Poverty

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Name Poverty
Less Than 9th Grade12.71%
High School8.14%
Some College4.93%
Bachelors or Greater2.56%

McHenry County, Illinois Poverty Rate by Education

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Rate Poverty
Male Employed2.39%
Male Unemployed16.38%
Female Employed4.13%
Female Unemployed14.07%

McHenry County, Illinois Poverty Rate by Employment Status and Sex

McHenry County, Illinois Income by Household Type

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Name Median Mean
Households$90,014$109,164
Families$103,599$122,416
Married Families$114,725$135,706
Non Families$46,423$62,701
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Income by Household Type

McHenry County, Illinois Marital Status

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Marriage Rates

57.0%

Overall Marriage Rate

58.1%

Male Marriage Rate

55.9%

Female Marriage Rate

McHenry County, Illinois Married by Age and Sex

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McHenry County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

McHenry County, Illinois Marital Status by Race

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McHenry County, Illinois Marital Status

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14,661

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,701
First Gulf War3,009
Vietnam5,530
Korea1,083
World War II562

McHenry County, Illinois Veterans by War

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Age Group Veterans
18 to 341,428
35 to 543,289
55 to 642,053
65 to 744,307
75+3,584

McHenry County, Illinois Veterans by Age

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Name Veterans % of Total
White13,9436.47%
Black1625.08%
Native American219.68%
Asian1191.76%
Other Race692.02%
2+ Races3475.89%
Hispanic7993.04%

McHenry County, Illinois Veterans by Race

McHenry County, Illinois Veterans by Education

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3.16%

Veteran Poverty Rate

24.05%

Veteran Disability Rate

McHenry County, Illinois Veterans by Education

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70.4%

Labor Force Participation

67.1%

Employment Rate

4.7%

Unemployment Rate

McHenry County, Illinois Employment by Age

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McHenry County, Illinois Employment by Race

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McHenry County, Illinois Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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73.06%

Born in McHenry County, Illinois

91.06%

Native Born

8.94%

Foreign Born

3.99%

Non Citizen

4.95%

Naturalized

Place of Birth

91.06% of McHenry County, Illinois residents were born in the United States, with 73.06% having been born in Illinois. 3.99% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

McHenry County, Illinois Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources