Crystal Lake, Illinois Population 2024

41,091

Crystal Lake is a city located in McHenry County Illinois. Crystal Lake has a 2024 population of 41,091. Crystal Lake is currently growing at a rate of 0.53% annually and its population has increased by 2.14% since the most recent census, which recorded a population of 40,231 in 2020.

The average household income in Crystal Lake is $120,538 with a poverty rate of 5.3%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Crystal Lake is 39.9 years, 39.4 years for males, and 40.4 years for females.

Crystal Lake Demographics

According to the most recent ACS, the racial composition of Crystal Lake was:

  • White: 88.43%
  • Two or more races: 4.6%
  • Asian: 3.58%
  • Other race: 2.23%
  • Black or African American: 0.89%
  • Native American: 0.26%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
18.9 sq mi
Density (mi²)
2,175.40/sq mi
Growth Since 2020
2.14% (860)
The current population of Crystal Lake, Illinois is 41,091 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 40,231.

Crystal Lake, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White35,78288.43%
Two or more races1,8614.6%
Asian1,4503.58%
Other race9042.23%
Black or African American3590.89%
Native American1070.26%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Crystal Lake Population by Race

Crystal Lake Population Pyramid 2024

Crystal Lake Median Age

39.9

Total

39.4

Male

40.4

Female

Crystal Lake Adults

There are 31,011 adults, (6,078 of whom are seniors) in Crystal Lake.

Crystal Lake Age Dependency

62.3

Age Dependency Ratio

24.4

Old Age Dependency Ratio

37.9

Child Dependency Ratio

Crystal Lake Sex Ratio

Female20,52950.74%
Male19,93449.26%

Crystal Lake Population by Age

Crystal Lake Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All14,7742.7178.121.9
Married9,0803.298911
Non Family3,5991.1961.638.4
Female1,4672.959.340.7
Male6282.6558.441.6

3.15

Average Family Size

2.71

Average Household Size

78.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Crystal Lake Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Crystal Lake Educational Attainment by Sex (over 25)

Crystal Lake Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 61.64%.

Crystal Lake Educational Attainment by Race

All

Male

Female

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$57,309

Average Earnings

$72,036

Average Male

$44,942

Average Female

Crystal Lake Earnings by Educational Attainment

Crystal Lake Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Crystal Lake Language

87.15% of Crystal Lake residents speak only English, while 12.85% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.89% of the population.

Crystal Lake Language

Crystal Lake Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White32,6591,1163.42%
Hispanic4,63970215.13%
Black31318559.11%
Asian1,4501168%
Multiple1,856442.37%
Other904192.1%
Native10754.67%

5.3%

Overall Poverty Rate

4.71%

Male Poverty Rate

5.88%

Female Poverty Rate

Poverty in Crystal Lake

The race most likely to be in poverty in Crystal Lake is Black, with 59.11% below the poverty level.

The race least likely to be in poverty in Crystal Lake is Other, with 2.1% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.58%. Among those working part-time, it was 6.9%, and for those that did not work, the poverty rate was 8.95%.

Crystal Lake Poverty

rate

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Rate
Poverty
Less Than 9th Grade10.14%
High School8.51%
Some College5.6%
Bachelors or Greater1.11%

Crystal Lake Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed17.64%
Male Unemployed14.34%
Female Employed2.77%
Male Employed1.41%

Crystal Lake Poverty Rate by Employment Status and Sex

Crystal Lake Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Crystal Lake Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.3%

Overall Marriage Rate

59.4%

Male Marriage Rate

55.4%

Female Marriage Rate

Crystal Lake Married by Age and Sex

male

female

Crystal Lake 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 35-44.

Crystal Lake Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Crystal Lake Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,640

Number of Veterans

1,535

Male Veterans

105

Female Veterans

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Crystal Lake Veterans by War

count

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Crystal Lake Veterans by Age

count

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Crystal Lake Veterans by Race

Crystal Lake Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.26%

Veteran Poverty Rate

24.86%

Veteran Disability Rate

Crystal Lake Veterans by Education

LaborForceParticipation

70.1%

Labor Force Participation

66.6%

Employment Rate

4.9%

Unemployment Rate

Crystal Lake Employment by Age

LaborForceParticipation

Crystal Lake Employment by Race

LaborForceParticipation

Crystal Lake Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

73.44%

Born in Crystal Lake

90.73%

Native Born

9.27%

Foreign Born

4.32%

Non Citizen

4.95%

Naturalized

Place of Birth

90.73% of Crystal Lake residents were born in the United States, with 73.44% having been born in Illinois. 4.32% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Crystal Lake Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202942,1662150.51%
202841,9512150.52%
202741,7362150.52%
202641,5212150.52%
202541,3062150.52%
202441,0912150.53%
202340,8762150.53%
202240,6611710.42%
202140,4902590.64%
202040,2314531.14%
201939,778-188-0.47%
201839,966-97-0.24%
201740,063-47-0.12%
201640,110-219-0.54%
201540,329-109-0.27%
201440,438620.15%
201340,376-93-0.23%
201240,469-147-0.36%
201140,616-148-0.36%
201040,76400%
200038,00013,48855.03%
199024,5125,92231.86%
198018,5904,04927.85%
197014,5416,22774.9%
19608,3143,48272.06%
19504,83291523.36%
19403,9171854.96%
19303,732-38,434-91.15%
showing: 28 rows

Crystal Lake Population by Year