McHenry County, Illinois Population 2019

McHenry County, Illinois's estimated population is 308,013 with a growth rate of 0.23% in the past year according to the most recent United States census data. McHenry County, Illinois is the 6th largest county in Illinois.

Year Population Growth Growth Rate
2018308,5705570.18%
2017308,0137170.23%
2016307,296-354-0.12%
2015307,6502360.08%
2014307,414-173-0.06%
2013307,587-593-0.19%
2012308,180-253-0.08%
2011308,433-628-0.20%
2010309,061125,82068.66%
1990183,24135,34423.90%
1980147,89736,34232.58%
1970111,55527,34532.47%
196084,21033,55466.24%
195050,65613,34535.77%
194037,3112,2326.36%
193035,0791,9155.77%
192033,1646552.01%
191032,5092,7509.24%
190029,7593,64513.96%
189026,1141,2064.84%
188024,9081,1464.82%
187023,7621,6737.57%
186022,0897,11147.48%
185014,97812,400480.99%
18402,5780.00%

McHenry County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White284,614
Asian8,290
Two or More Races5,861
Some Other Race4,803
Black or African American4,108
American Indian and Alaska Native267
Native Hawaiian and Other Pacific Islander100

McHenry County, Illinois Population Pyramid 2019

McHenry County, Illinois Median Age

39.9


Total

38.9


Male

40.7


Female

McHenry County, Illinois Adults

There are 232,322 adults, (39,824 of whom are seniors) in McHenry County, Illinois.

McHenry County, Illinois Age Dependency

60

Age Dependency Ratio

20.7

Old Age Dependency Ratio

39.3

Child Dependency Ratio

McHenry County, Illinois Sex Ratio

Female

154,540

50.17%

Male

153,503

49.83%

McHenry County, Illinois Households and Families

McHenry County, Illinois Renter vs Owner Occupied by Household Type

McHenry County, Illinois Household Types

Type Owner Renter
Married88.8%11.2%
All79.4%20.6%
Male67.8%32.2%
Non Family66.5%33.5%
Female59.2%40.8%

79.4%

Rate of Home Ownership

Type Count Average Size Owned
All110,8602.7679.4
Married67,4803.2988.8
Non Family27,8531.2566.5
Female10,8163.1759.2
Male4,7113.2367.8

3.2

Average Family Size

2.76

Average Household Size

6.1%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

McHenry County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade6,0202.93%
9th to 12th Grade8,8974.32%
High School Graduate54,49126.48%
Some College49,73924.17%
Associates Degree18,2588.87%
Bachelors Degree45,49722.11%
Graduate Degree22,87511.12%

McHenry County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White176,447168,52260,567
Hispanic19,65613,4532,605
Asian5,6295,1083,624
Other Race2,9061,815153
Black2,3672,2611,073
Multiple Races1,9591,877603
Native American23118912
Islander51397

The highest rate of high school graduation is among multiple races people with a rate of 95.81%.

The highest rate of bachelors degrees is among multiple races people with a rate of 64.38%.

Name Average Male Female
Overall$46,312$58,699$35,453
Less Than High School$26,535$32,284$20,000
High School Grad$36,856$44,776$27,119
Some College$43,099$57,107$32,257
Bachelors Degree$61,803$83,498$42,914
Graduate Degree$74,826$101,719$59,722

$46,312

Average Earnings

$58,699

Average Male

$35,453

Average Female

McHenry County, Illinois Language

McHenry County, Illinois Language by Age

McHenry County, Illinois Language

85.94% of McHenry County, Illinois residents speak only English, while 14.06% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 8.79% of the population.

McHenry County, Illinois Poverty

McHenry County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White250,84214,2435.68%
Hispanic38,0295,80815.27%
Other4,79798520.53%
Multiple5,76089015.45%
Black3,96588822.40%
Asian8,2805937.16%
Native2677628.46%
Islander931718.28%

7.30%

Overall Poverty Rate

6.89%

Male Poverty Rate

7.72%

Female Poverty Rate

Poverty in McHenry County, Illinois

The race most likely to be in poverty in McHenry County, Illinois is Native, with 28.46% below the poverty level.

The race least likely to be in poverty in McHenry County, Illinois is White, with 5.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.16%. Among those working part-time, it was 9.77%, and for those that did not work, the poverty rate was 12.52%.

Name Poverty
Less Than High School14.92%
High School8.14%
Some College6.21%
Bachelors or Greater2.66%
Name Poverty
Female Unemployed21.77%
Male Unemployed16.99%
Female Employed4.53%
Male Employed3.03%

McHenry County, Illinois Income

McHenry County, Illinois Income by Household Type

Name Median Mean
Households$82,230$98,855
Families$94,995$110,857
Married Families$104,417$121,758
Non Families$43,373$58,496

McHenry County, Illinois Marital Status

McHenry County, Illinois Marital Status

Marriage Rates

57.4%

Overall Marriage Rate

58.4%

Male Marriage Rate

56.5%

Female Marriage Rate

McHenry County, Illinois Married by Age and Sex

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

McHenry County, Illinois Veterans

15,488

Number of Veterans

14,466

Male Veterans

1,022

Female Veterans

War Veterans
Vietnam6,088
First Gulf War2,840
Second Gulf War2,048
Korea1,242
World War II755

McHenry County, Illinois Veterans by Race

Name Veterans % of Total
White15,0346.94%
Hispanic6842.84%
2 or More1666.15%
Asian1241.96%
Black1164.09%
Other481.34%

McHenry County, Illinois Veterans by Education

3.92%

Veteran Poverty Rate

26.34%

Veteran Disability Rate

McHenry County, Illinois Employment Status

70.8%

Labor Force Participation

66.9%

Employment Rate

5.4%

Unemployment Rate

Population of Cities in McHenry County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Crystal Lake4099140339-652-1.59%
Algonquin 30049309478982.99%
Lake in the Hills2900528830-175-0.60%
McHenry2701626611-405-1.50%
Huntley 243162661122959.44%
Woodstock24764250853211.30%
Cary1826817840-428-2.34%
Fox Lake 1060910459-150-1.41%
Harvard94359119-316-3.35%
Island Lake 8074807730.04%
Marengo76757445-230-3.00%
Johnsburg63376264-73-1.15%
Lakemoor 60575982-75-1.24%
Spring Grove57725674-98-1.70%
Fox River Grove 47914651-140-2.92%
Barrington Hills 4219422120.05%
Wonder Lake40143899-115-2.86%
Lakewood38143869551.44%
Oakwood Hills20832050-33-1.58%
Richmond18761897211.12%
Prairie Grove19071857-50-2.62%
Port Barrington 15171494-23-1.52%
Hebron12161194-22-1.81%
Bull Valley11221097-25-2.23%
McCullom Lake10491012-37-3.53%
Ringwood836818-18-2.15%
Holiday Hills601588-13-2.16%
Union580552-28-4.83%
Trout Valley537525-12-2.23%
Greenwood255249-6-2.35%
  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