Grayslake, Illinois Population 2024

20,650

Grayslake is a city located in Lake County Illinois. Grayslake has a 2024 population of 20,650. Grayslake is currently declining at a rate of -0.76% annually and its population has decreased by -2.64% since the most recent census, which recorded a population of 21,210 in 2020.

The average household income in Grayslake is $136,498 with a poverty rate of 6.8%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Grayslake is 37.6 years, 36.2 years for males, and 38.7 years for females.

Grayslake Demographics

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

  • White: 73.84%
  • Black or African American: 9.1%
  • Two or more races: 8.01%
  • Asian: 4.75%
  • Other race: 3.63%
  • Native Hawaiian or Pacific Islander: 0.46%
  • Native American: 0.21%
Land Area (mi²)
11.0 sq mi
Density (mi²)
1,879.90/sq mi
Growth Since 2020
-2.64% (-560)
The current population of Grayslake, Illinois is 20,650 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 21,210.

Grayslake, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White15,36073.84%
Black or African American1,8929.1%
Two or more races1,6678.01%
Asian9884.75%
Other race7553.63%
Native Hawaiian or Pacific Islander950.46%
Native American440.21%
showing: 7 rows

White

Black or African American

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Grayslake Population by Race

Grayslake Population Pyramid 2024

Grayslake Median Age

37.6

Total

36.2

Male

38.7

Female

Grayslake Adults

There are 15,963 adults, (2,624 of whom are seniors) in Grayslake.

Grayslake Age Dependency

55.9

Age Dependency Ratio

19.7

Old Age Dependency Ratio

36.3

Child Dependency Ratio

Grayslake Sex Ratio

Female10,19148.99%
Male10,61051.01%

Grayslake Population by Age

Grayslake Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,0662.5774.525.5
Married4,6423.2286.613.4
Non Family2,5831.2455.644.4
Female6913.0965.734.3
Male1502.8367.332.7
showing: 5 rows

3.15

Average Family Size

2.57

Average Household Size

74.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Grayslake 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

Grayslake Educational Attainment by Sex (over 25)

Grayslake 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 native american people with a rate of 100%.

Grayslake Educational Attainment by Race

All

Male

Female

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$68,297

Average Earnings

$85,488

Average Male

$52,791

Average Female

Grayslake Earnings by Educational Attainment

Grayslake Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Grayslake Language

82.85% of Grayslake residents speak only English, while 17.15% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.77% of the population.

Grayslake Language

Grayslake Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White14,3768185.69%
Hispanic2,20137717.13%
Other75529038.41%
Black1,8921849.73%
Asian988232.33%
Multiple1,667160.96%
Islander951111.58%
showing: 7 rows

6.8%

Overall Poverty Rate

6.65%

Male Poverty Rate

6.96%

Female Poverty Rate

Poverty in Grayslake

The race most likely to be in poverty in Grayslake is Other, with 38.41% below the poverty level.

The race least likely to be in poverty in Grayslake is Multiple, with 0.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.42%. Among those working part-time, it was 5.34%, and for those that did not work, the poverty rate was 14.63%.

Grayslake Poverty

rate

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Rate
Poverty
Less Than 9th Grade14.36%
High School11.25%
Some College6.33%
Bachelors or Greater4.37%
showing: 4 rows

Grayslake Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed4.87%
Female Unemployed3.67%
Male Employed3.15%
Female Employed2.29%
showing: 4 rows

Grayslake Poverty Rate by Employment Status and Sex

Grayslake Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Grayslake Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.1%

Overall Marriage Rate

58.0%

Male Marriage Rate

56.2%

Female Marriage Rate

Grayslake Married by Age and Sex

male

female

Grayslake Marriage

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

Grayslake Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Grayslake Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

934

Number of Veterans

803

Male Veterans

131

Female Veterans

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Grayslake Veterans by War

count

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Grayslake Veterans by Age

count

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Grayslake Veterans by Race

Grayslake Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

14.35%

Veteran Poverty Rate

41.01%

Veteran Disability Rate

Grayslake Veterans by Education

LaborForceParticipation

73.3%

Labor Force Participation

67.4%

Employment Rate

6.2%

Unemployment Rate

Grayslake Employment by Age

LaborForceParticipation

Grayslake Employment by Race

LaborForceParticipation

Grayslake 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

62.08%

Born in Grayslake

89.59%

Native Born

10.41%

Foreign Born

5.05%

Non Citizen

5.36%

Naturalized

Place of Birth

89.59% of Grayslake residents were born in the United States, with 62.08% having been born in Illinois. 5.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Grayslake Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202919,855-159-0.79%
202820,014-159-0.79%
202720,173-159-0.78%
202620,332-159-0.78%
202520,491-159-0.77%
202420,650-159-0.76%
202320,809-159-0.76%
202220,968-159-0.75%
202121,127-83-0.39%
202021,2104762.3%
201920,734-149-0.71%
201820,883-56-0.27%
201720,939-35-0.17%
201620,974-55-0.26%
201521,029-112-0.53%
201421,141-26-0.12%
201321,167180.09%
201221,1491240.59%
201121,025-39-0.19%
201021,0642,55813.82%
200018,50611,118150.49%
19907,3882,12840.46%
19805,2603537.19%
19704,9071,14530.44%
19603,762
showing: 25 rows

Grayslake Population by Year