Grayslake, Illinois Population 2021

20,451
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Grayslake is a city located in Lake County Illinois. With a 2020 population of 20,451, it is the 118th largest city in Illinois and the 1821st largest city in the United States . Grayslake is currently declining at a rate of -0.67% annually and its population has decreased by -2.41% since the most recent census, which recorded a population of 20,957 in 2010. Grayslake reached it's highest population of 21,170 in 2013. Spanning over 11 miles, Grayslake has a population density of 1,862 people per square mile.

The average household income in Grayslake is $112,593 with a poverty rate of 8.39%. The median rental costs in recent years comes to $1,160 per month, and the median house value is $235,400. The median age in Grayslake is 36.7 years, 35.8 years for males, and 38.1 years for females.

Grayslake Demographics

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

  • White: 81.89%
  • Asian: 6.99%
  • Two or more races: 4.13%
  • Other race: 3.78%
  • Black or African American: 2.84%
  • Native Hawaiian or Pacific Islander: 0.31%
  • Native American: 0.06%
The current population of Grayslake, Illinois is 20,451 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 20,862.The last official US Census in 2010 recorded the population at 20,957.

Grayslake, Illinois Population 2021

Population by Race

Race Population Percentage
White16,96881.89%
Asian1,4496.99%
Two or More Races8554.13%
Some Other Race7833.78%
Black or African American5882.84%
Native Hawaiian and Other Pacific Islander640.31%
American Indian and Alaska Native130.06%
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Grayslake Population by Race

Grayslake Population Pyramid $2021

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Grayslake Median Age

36.7


Total

35.8


Male

38.1


Female

Grayslake Adults

There are 15,979 adults, (2,192 of whom are seniors) in Grayslake.

Grayslake Age Dependency

50.3

Age Dependency Ratio

15.9

Old Age Dependency Ratio

34.4

Child Dependency Ratio

Grayslake Sex Ratio

Female

10,352

49.96%

Male

10,368

50.04%

Grayslake Population by Age

Grayslake Renter vs Owner Occupied by Household Type

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Grayslake Household Types

Type Owner Renter
Married83.9%16.1%
All68.2%31.8%
Male57%43%
Female53.6%46.4%
Non Family47.4%52.6%

68.2%

Rate of Home Ownership

Grayslake Households and Families

Type Count Average Size Owned
All7,7772.6568.2
Married4,2293.3583.9
Non Family2,5061.2847.4
Female7563.1853.6
Male2862.9757

3.25

Average Family Size

2.65

Average Household Size

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Grayslake Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1491.10%
9th to 12th Grade3482.57%
High School Graduate1,68512.47%
Some College2,98822.11%
Associates Degree9547.06%
Bachelors Degree4,55533.70%
Graduate Degree2,83821.00%
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Grayslake Educational Attainment by Sex (over 25)

Grayslake Educational Attainment by Race

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Race Total High School Bachelors
White10,49810,2715,883
Hispanic1,2581,020501
Asian1,0711,052655
Other Race341301107
Black339326139
2+ Races329329182
Islander535345
Native American131313

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

The highest rate of bachelors degrees is among native american people with a rate of 100.00%.

Grayslake Educational Attainment by Race

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Name Average Male Female
Overall$59,329$73,346$46,722
Less Than 9th Grade$32,202$33,854$30,750
High School Graduate$42,292$55,433$23,261
Some College$48,140$55,222$40,956
Bachelors Degree$64,918$94,500$52,917
Graduate Degree$88,847$96,964$68,125

$59,329

Average Earnings

$73,346

Average Male

$46,722

Average Female

Grayslake Earnings by Educational Attainment

Grayslake Language by Age

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Grayslake Language

79.75% of Grayslake residents speak only English, while 20.25% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.05% of the population.

Grayslake Language

Grayslake Poverty by Race

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Name Total In Poverty Poverty Rate
White15,2299606.30%
Hispanic2,55256922.30%
Other78315419.67%
Asian1,4491178.07%
Black588437.31%
Multiple855364.21%
Islander64812.50%

8.39%

Overall Poverty Rate

8.40%

Male Poverty Rate

8.39%

Female Poverty Rate

Poverty in Grayslake

The race most likely to be in poverty in Grayslake is Hispanic, with 22.30% below the poverty level.

The race least likely to be in poverty in Grayslake is Multiple, with 4.21% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.52%. Among those working part-time, it was 7.69%, and for those that did not work, the poverty rate was 18.23%.

Grayslake Poverty

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Name Poverty
Less Than 9th Grade34.61%
High School14.66%
Some College6.54%
Bachelors or Greater3.35%

Grayslake Poverty Rate by Education

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Rate Poverty
Male Unemployed19.07%
Male Employed4.67%
Female Employed3.38%
Female Unemployed0.00%

Grayslake Poverty Rate by Employment Status and Sex

Grayslake Income by Household Type

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Name Median Mean
Households$97,265$112,593
Families$119,066$133,150
Married Families$126,919-
Non Families$55,338$64,305
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Income by Household Type

Grayslake Marital Status

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Marriage Rates

52.2%

Overall Marriage Rate

52.2%

Male Marriage Rate

52.2%

Female Marriage Rate

Grayslake Married by Age and Sex

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Grayslake Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Grayslake Marital Status by Race

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Grayslake Marital Status

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986

Number of Veterans

845

Male Veterans

141

Female Veterans

War Veterans
Vietnam317
Second Gulf War154
First Gulf War147
Korea74
World War II12

Grayslake Veterans by War

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Age Group Veterans
65 to 74252
55 to 64251
75+213
35 to 54151
18 to 34119

Grayslake Veterans by Age

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Name Veterans % of Total
White8836.68%
Hispanic1076.40%
Black10024.33%
2+ Races30.70%

Grayslake Veterans by Race

Grayslake Veterans by Education

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18.36%

Veteran Poverty Rate

27.99%

Veteran Disability Rate

Grayslake Veterans by Education

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73.2%

Labor Force Participation

68.8%

Employment Rate

5.3%

Unemployment Rate

Grayslake Employment by Age

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Grayslake Employment by Race

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Grayslake 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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63.70%

Born in Grayslake

86.91%

Native Born

13.09%

Foreign Born

6.41%

Non Citizen

6.68%

Naturalized

Place of Birth

86.91% of Grayslake residents were born in the United States, with 63.70% having been born in Illinois. 6.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Grayslake Place of Birth

Year Population Growth Annual Growth Rate
202120,451-137-0.67%
202020,588-137-0.66%
201920,725-137-0.66%
201820,862-72-0.34%
201720,934-35-0.17%
201620,969-60-0.29%
201521,029-115-0.54%
201421,144-26-0.12%
201321,170200.09%
201221,1501230.58%
201121,027-39-0.19%
201021,0662,5601.30%
200018,50611,1189.62%
19907,3882,1283.46%
19805,2603530.70%
19704,9071,1452.69%
19603,7620.00%

Grayslake Population by Year