McHenry County, Illinois Population 2018

McHenry County, Illinois's estimated population is 309,122 with a growth rate of 0.66% 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
2017309,1222,0390.66%
2016307,083-889-0.29%
2016307,972120.00%
2015307,9604050.13%
2014307,555-52-0.02%
2013307,607-563-0.18%
2012308,170-217-0.07%
2011308,387-672-0.22%
2010309,059125,81868.66%
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
White283,564
Asian8,191
Two or More Races5,779
Some Other Race5,177
Black or African American4,007
American Indian and Alaska Native268
Native Hawaiian and Other Pacific Islander97

Race Data via US Census (2016 ACS 5-Year Survey)

McHenry County, Illinois Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

McHenry County, Illinois Median Age

39.6


Total

38.6


Male

40.3


Female

McHenry County, Illinois Adults

There are 230,312 adults, (37,464 of which are seniors) in McHenry County, Illinois.

McHenry County, Illinois Age Dependency

59.2

Age Dependency Ratio

19.4

Old Age Dependency Ratio

39.9

Child Dependency Ratio

McHenry County, Illinois Sex Ratio

Female

154,112

50.19%

Male

152,971

49.81%

McHenry County, Illinois Households and Families

McHenry County, Illinois Renter vs Owner Occupied by Household Type

McHenry County, Illinois Household Types

Type Owner Renter
Married88.9%11.1%
All78.9%21.1%
Male65.9%34.1%
Non Family65.5%34.5%
Female56.7%43.3%

78.9%

Rate of Home Ownership

McHenry County, Illinois Households by Type

Type Count Average Size Owned
All110,1092.7778.9
Married67,0593.3388.9
Non Family28,0751.2665.5
Female10,5263.1356.7
Male4,4493.1265.9

3.23

Average Family Size

2.77

Average Household Size

5.6%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

McHenry County, Illinois Households

McHenry County, Illinois Education

McHenry County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade5,9982.94%
9th to 12th Grade9,0624.45%
High School Graduate54,76126.86%
Some College48,60423.84%
Associates Degree17,6508.66%
Bachelors Degree45,26822.21%
Graduate Degree22,50411.04%

McHenry County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White175,291167,21260,051
Hispanic19,13413,0952,502
Asian5,4774,8103,645
Other Race2,9701,759243
Black2,2782,1801,005
Multiple Races2,0871,940691
Native American262174
Islander42336

The highest rate of high school graduation is among black people with a rate of 95.70%.

The highest rate of bachelors degrees is among black people with a rate of 66.55%.

McHenry County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$44,773$56,494$34,413
Less Than High School$25,195$29,694$20,827
High School Grad$35,484$41,930$26,331
Some College$42,182$55,591$31,226
Bachelors Degree$60,830$82,450$42,128
Graduate Degree$72,986$99,933$58,136

$44,773

Average Earnings

$56,494

Average Male

$34,413

Average Female

McHenry County, Illinois Language

McHenry County, Illinois Language by Age

McHenry County, Illinois Language

85.67% of McHenry County, Illinois residents speak only English, while 14.33% speak other languages. The largest non-English language is Spanish, which is spoken by 8.98% of the population.

McHenry County, Illinois Poverty

McHenry County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White251,49914,8495.90%
Hispanic37,1276,93318.67%
Other5,1221,55530.36%
Multiple5,69682314.45%
Black3,83772318.84%
Asian8,1844195.12%
Native2689836.57%
Islander912123.08%

7.76%

Overall Poverty Rate

7.42%

Male Poverty Rate

8.08%

Female Poverty Rate

Poverty in McHenry County, Illinois

The race most likely to be in poverty in McHenry County, Illinois is Native, with 36.57% below the poverty level.

The race least likely to be in poverty in McHenry County, Illinois is Asian, with 5.12% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.31%. Among those working part-time, it was 10.29%, and for those that did not work, the poverty rate was 12.64%.

McHenry County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School16.27%
High School8.72%
Some College5.87%
Bachelors or Greater2.75%

McHenry County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed19.39%
Male Unemployed18.78%
Female Employed4.55%
Male Employed3.43%

McHenry County, Illinois Income

McHenry County, Illinois Income by Household Type

Name Median Mean
Households$79,836$94,999
Families$92,187$106,837
Married Families$101,467$117,206
Non Families$42,609$56,499

McHenry County, Illinois Marital Status

McHenry County, Illinois Marital Status

Marriage Rates

57.5%

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 45To54, while the female age group most likely to be married is 35To44.

McHenry County, Illinois Marital Status by Race

McHenry County, Illinois Veterans

McHenry County, Illinois Veterans by War

15,499

Number of Veterans

14,533

Male Veterans

966

Female Veterans

Name Veterans
Vietnam6,046
First Gulf War2,944
Second Gulf War1,583
Korea1,379
World War II690

McHenry County, Illinois Veterans by Age

Name Veterans
65 to 744,388
35 to 543,895
75+3,405
55 to 642,944
18 to 34867

McHenry County, Illinois Veterans by Race

Name Veterans % of Total
White15,0347.01%
Hispanic5812.48%
2 or More1625.90%
Asian1492.43%
Black1114.11%
Other431.16%

McHenry County, Illinois Veterans by Education

4.15%

Veteran Poverty Rate

25.23%

Veteran Disability Rate

McHenry County, Illinois Employment Status

McHenry County, Illinois Employment by Age

71.1%

Labor Force Participation

66.4%

Employment Rate

6.5%

Unemployment Rate

McHenry County, Illinois Employment by Race

McHenry County, Illinois Employment by Education

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%
Data Sources
  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