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CITY · 2000 CENSUS

Grayslake

Illinois · 18,506 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 $73,143. The city has more than doubled in size since 1990, adding 11,118 residents. 51% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has risen by half since 1990, reaching $192,900. Poverty is rare here, at 3.0% of residents. Households here earn about 57% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 32.2
US median: 35.2
More educated
51% hold a bachelor's degree
US average: 24%
Less affordable
home values up 31%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

18,506
+150%since 1990
from 7,388 in 1990
1990 – 2025
1,696 / sq mi
+150%since 1990
from 677 / sq mi in 1990
US average: 242
32.2
+7%since 1990
from 30.0 in 1990
US average: 35.2
Population, 19902024
6K10K14K18K23K1990201020202024Grayslake
202421K
1990201020202024
Section 02

Income & economy

$73,143
+27%inflation adjusted, since 1990
from $43,712 in 1990
US average: $42,589
1990 – 2024
$28,898
+57%since 1990
from $18,457 in 1990
US average: $21,522
3.0%
−1.2 ptssince 1990
from 4.2% in 1990
US average: 12.4%
Section 03

Housing

$192,900
+31%inflation adjusted, since 1990
from $111,500 in 1990
US average: $120,530
1990 – 2024
$820
+4%inflation adjusted, since 1990
from $596 in 1990
US average: $602
78.5%
+19.1 ptssince 1990
from 59.4% in 1990
21.5% rent
2.6
+3%since 1990
from 2.6 in 1990
1990 – 2024
RELATED:See current rent listings in Grayslake on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.6%(7,281)
Black0%(0)
Hispanic / Latino2.7%(199)
Asian1%(76)
Diversity Score9.8%(722)
2000
White, non-Hispanic88%(16,293)
Black1.6%(288)
Hispanic / Latino5%(920)
Asian4.2%(781)
Diversity Score25.1%(4,653)
25
+157%since 1990
from 10 in 1990
1990 – 2024
Section 05

Education

50.8%
+20.4 ptssince 1990
from 30.4% in 1990
US average: 24.4%
High school or higher
94.6%
+5.9 ptssince 1990
from 88.8% in 1990
US average: 80.3%
17.5%
+8.2 ptssince 1990
from 9.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

27.2 min
+9%since 1990
from 25.0 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Grayslake, Illinois?

Grayslake, Illinois has about 18,506 residents according to the 2000 Census.

What is the median household income in Grayslake, Illinois?

The typical household in Grayslake, Illinois earns about $73,143 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 $192,900, and the typical rent is about $820 a month.

How educated are people in Grayslake, Illinois?

About 50.8% 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 3.0% of people in Grayslake, Illinois live below the federal poverty line.

Has Grayslake, Illinois grown since 1990?

Yes, Grayslake, Illinois has grown since 1990. The population has added about 11,118 residents, a change of about 150 percent over that period.

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

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