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CITY · 1990 CENSUS

Grayslake

Illinois · 7,388 residents · 10.914 sq mi
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The short version

Grayslake is significantly wealthier than the US average, with a median household income of $43,712. Population has fallen 60% since 2000, a loss of 11,118 residents. 30% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $111,500. Poverty is rare here, at 4.2% of residents. Households here earn about 36% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $30,130
Younger
median age 30.0
US median: 33.0
More educated
30% hold a bachelor's degree
US average: 20%
More affordable
home values down 24%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
7,388
−60%vs 2000
vs 18,506 in 2000
1990 – 2025
Median age
30.0
−7%vs 2000
vs 32.2 in 2000
US average: 33.0
Population, 1990 – 2024
6K10K14K18K23K1990201020202024Grayslake
202421K
1990201020202024
Age distribution, 1990
Under 58.4%(623)
US avg: 7.3%
5 to 96.9%(508)
US avg: 7.3%
10 to 146.5%(482)
US avg: 6.9%
15 to 196%(444)
US avg: 7.1%
20 to 247.7%(571)
US avg: 7.5%
25 to 3423.5%(1,739)
US avg: 17.5%
35 to 4416.2%(1,199)
US avg: 15.1%
45 to 5410.2%(751)
US avg: 10.2%
55 to 645.9%(434)
US avg: 8.5%
65 to 745.4%(402)
US avg: 7.3%
75 to 842.3%(173)
US avg: 4%
85 and over0.8%(62)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$43,712
−21%inflation adjusted, since 2000
vs $73,143 in 2000
US average: $30,130
1990 – 2024
Per capita income
$18,457
−36%vs 2000
vs $28,898 in 2000
US average: $14,340
Poverty rate
4.2%
+1.2 ptsvs 2000
vs 3.0% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$111,500
−24%inflation adjusted, since 2000
vs $192,900 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$596
−4%inflation adjusted, since 2000
vs $820 in 2000
US average: $450
Owner-occupied
59.4%
−19.1 ptsvs 2000
vs 78.5% in 2000
40.6% rent
RELATED:See current rent listings in Grayslake on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic88%(16,293)
Black1.6%(288)
Hispanic / Latino5%(920)
Asian4.2%(781)
Other0%
1990
White, non-Hispanic98.6%(7,281)
Black0%(0)
Hispanic / Latino2.7%(199)
Asian1%(76)
Other0.4%(31)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican6.7%(1,398)
Puerto Rican1.4%(301)
Salvadoran0.4%(80)
Ecuadorian0.3%(54)
Uruguayan0.2%(38)
Paraguayan0.2%(35)
Colombian0.2%(32)
Cuban0.1%(27)
Argentine0.1%(24)
Guatemalan0.1%(22)
+ 4 more hispanic origin groups with data
Venezuelan0.1%(18)
Honduran0.1%(15)
Spaniard0.1%(11)
Bolivian0%(10)
Asian origin
Filipino1.1%(229)
Vietnamese0.8%(175)
Chinese0.6%(135)
Sri Lankan0.2%(50)
Korean0.2%(37)
Japanese0.1%(31)
Laotian0.1%(15)
Uzbek0%(7)
Ancestry
German22.5%(4,719)
Irish16.1%(3,376)
Polish9.9%(2,075)
English9%(1,877)
Italian7%(1,461)
Swedish3.6%(750)
Norwegian3.1%(647)
Scottish2.1%(435)
French2%(425)
American1.9%(400)
Russian1.4%(291)
+ 31 more ancestry groups with data
Greek1%(210)
West Indian0.9%(198)
Dutch0.8%(167)
Scotch-Irish0.6%(129)
Ukrainian0.6%(119)
Iranian0.6%(116)
Austrian0.5%(113)
Haitian0.5%(95)
Hungarian0.4%(92)
Danish0.4%(91)
Jamaican0.4%(87)
Slovak0.4%(84)
Croatian0.3%(67)
Romanian0.3%(66)
Welsh0.3%(64)
Arab0.3%(58)
British0.3%(58)
Czech0.3%(56)
Finnish0.2%(43)
Nigerian0.2%(38)
Belgian0.2%(35)
Swiss0.1%(31)
Serbian0.1%(30)
Lithuanian0.1%(27)
Brazilian0.1%(24)
Slovene0.1%(24)
Canadian0.1%(23)
Portuguese0.1%(14)
Israeli0.1%(12)
RANKED:Largest German population · Largest Irish population · Largest Polish population · Largest English population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
30.4%
−20.4 ptsvs 2000
vs 50.8% in 2000
US average: 20.3%
High school or higher
88.8%
−5.9 ptsvs 2000
vs 94.6% in 2000
US average: 75.2%
Graduate degree
9.2%
−8.2 ptsvs 2000
vs 17.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
25.0 min
−8%vs 2000
vs 27.2 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married33.3%(2,832)
Married58.4%(4,965)
Widowed2.8%(239)
Divorced5.5%(466)
Women 15+
Never married27.3%(2,301)
Married58.3%(4,913)
Widowed5.6%(472)
Divorced8.8%(738)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Compare Grayslake to nearby cities

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Income$103,318+136%
Home value$310,500+178%
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GRAYSLAKE VS
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GRAYSLAKE VS
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GRAYSLAKE VS
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Frequently asked

How many people live in Grayslake, Illinois?

Grayslake, Illinois has about 7,388 residents according to the 1990 Census.

What is the median household income in Grayslake, Illinois?

The typical household in Grayslake, Illinois earns about $43,712 a year. Half of households make more than that, and half make less.

Is Grayslake, Illinois expensive?

In Grayslake, Illinois, the median home is worth about $111,500, and the typical rent is about $596 a month.

How educated are people in Grayslake, Illinois?

About 30.4% of adults age 25 and over in Grayslake, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Grayslake, Illinois?

About 4.2% of people in Grayslake, Illinois live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →