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CITY

Grayslake

Illinois · 21,140 residents (2025 est.) · 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 $113,972. Population has held roughly steady since 2000. 58% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has risen by half since 2000, reaching $309,500. It ranks in the top 5% of US cities for household income. Households here earn about 37% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 37.2
US median: 38.9
More educated
58% hold a bachelor's degree
US average: 36%
More affordable
home values down 12%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
20,929
+13%since 2000
from 18,506 in 2000
1990 – 2025
Population density
1,918 / sq mi
+13%since 2000
from 1,696 / sq mi in 2000
US average: 281
Median age
37.2
+16%since 2000
from 32.2 in 2000
US average: 38.9

PEP 2025 EST:21,140 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
6K10K14K18K23K1990201020202024Grayslake
202421K
1990201020202024
Section 02

Income & economy

Median household income
$113,972
−14%inflation adjusted, since 2000
from $73,143 in 2000
US average: $82,259
1990 – 2024
Per capita income
$55,937
+94%since 2000
from $28,898 in 2000
US average: $44,673
Households earning $100K+
69.0%
+9.0 ptssince 2009
from 59.9% in 2009
US average: 53.3%
Poverty rate
6.3%
+3.3 ptssince 2000
from 3.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.413
+8%since 2010
from 0.382 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade13%
US avg: 9.9%
Information10.6%
US avg: 10.8%
Other services6.2%
US avg: 6.7%
Transportation & warehousing5.3%
US avg: 2.2%
Public administration5.1%
US avg: 4.8%
Finance & insurance4.1%
US avg: 5.9%
Professional, scientific, technical3.4%
US avg: 5.1%
Wholesale trade2.1%
US avg: 6.9%
Arts, entertainment, food1.9%
US avg: 1.9%
Education & health services0.8%
US avg: 0.9%
Agriculture, forestry, fishing0.1%
US avg: 1.6%
Construction0.1%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$309,500
−12%inflation adjusted, since 2000
from $192,900 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,485
−1%inflation adjusted, since 2000
from $820 in 2000
US average: $1,442
Owner-occupied
78.2%
−0.3 ptssince 2000
from 78.5% in 2000
21.8% rent
Vacancy rate
3.8%
−0.2 ptssince 2009
from 4.0% in 2009
US average: 10.0%
Owner cost-burdened
18.7%
−16.8 ptssince 2009
from 35.5% in 2009
US average: 22.9%
Renter cost-burdened
48.9%
+5.4 ptssince 2009
from 43.5% in 2009
US average: 47.4%
Afford Score
2.7
+3%since 2000
from 2.6 in 2000
1990 – 2024
Gentrification Score
27
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%
Diversity Score25.1%(4,653)
2024
White, non-Hispanic71.1%(14,878)
Black8.5%(1,784)
Hispanic / Latino10.2%(2,140)
Asian5.1%(1,063)
Other5.1%(1,064)
Diversity Score59%(12,342)
Diversity Score
59
+135%since 2000
from 25 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
58.5%
+7.7 ptssince 2000
from 50.8% in 2000
US average: 35.6%
High school or higher
97.0%
+2.4 ptssince 2000
from 94.6% in 2000
US average: 89.6%
Graduate degree
23.7%
+6.3 ptssince 2000
from 17.5% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.2 min
Unchangedsince 2000
from 27.2 min in 2000
US average: 26.5
Drive alone to work
68.8%
−14.2 ptssince 2009
from 83.0% in 2009
US average: 68.9%
Carpooled to work
7.4%
+2.5 ptssince 2009
from 5.0% in 2009
US average: 8.5%
Public transit
2.0%
−3.5 ptssince 2009
from 5.5% in 2009
US average: 3.2%
Worked from home
19.9%
+15.3 ptssince 2009
from 4.6% in 2009
US average: 15.0%
Walked to work
0.9%
+0.1 ptssince 2009
from 0.8% in 2009
US average: 2.4%
Biked to work
0.1%
−0.1 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
3.7%
+1.1 ptssince 2009
from 2.6% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
5.4%
+0.8 ptssince 2011
from 4.7% in 2011
US average: 5.2%
Labor force participation
73.0%
−4.9 ptssince 2011
from 77.9% in 2011
US average: 63.5%
Self-employed
20.5%
+8.2 ptssince 2009
from 12.2% in 2009
US average: 13.1%
Management & professional
53.4%
−21.4 ptssince 2009
from 74.7% in 2009
US average: 42.5%
Section 08

People & community

Male
51.6%
+4.5 ptssince 2009
from 47.0% in 2009
Female
48.4%
−4.5 ptssince 2009
from 53.0% in 2009
Foreign born
9.6%
−1.7 ptssince 2009
from 11.3% in 2009
US average: 14.1%
Veterans
7.0%
−38.4 ptssince 2009
from 45.4% in 2009
US average: 6.2%
With a disability
9.7%
+4.7 ptssince 2012
from 5.0% in 2012
US average: 13.3%
Uninsured
3.0%
−91.8 ptssince 2013
from 94.8% in 2013
US average: 8.4%
Broadband at home
95.7%
+5.8 ptssince 2017
from 89.9% in 2017
US average: 91.0%
English only at home
84.9%
+3.8 ptssince 2016
from 81.1% in 2016
US average: 77.7%
Spanish at home
6.6%
−2.4 ptssince 2016
from 9.0% in 2016
US average: 13.6%
Drill deeper

Places similar to Grayslake

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Head to head

Compare Grayslake to nearby cities

GRAYSLAKE VS
Gages Lake
Income$103,318−9%
Home value$310,500same
Population10,819−49%
SEE FULL COMPARISON →
GRAYSLAKE VS
Round Lake
Income$111,977−2%
Home value$278,600−10%
Population18,526−12%
SEE FULL COMPARISON →
GRAYSLAKE VS
Round Lake Beach
Income$86,059−24%
Home value$199,200−36%
Population26,902+27%
SEE FULL COMPARISON →
GRAYSLAKE VS
Mundelein
Income$108,340−5%
Home value$309,700same
Population32,680+55%
SEE FULL COMPARISON →
Frequently asked

How many people live in Grayslake, Illinois?

Grayslake, Illinois has about 20,929 residents according to the 2024 American Community Survey.

What is the median household income in Grayslake, Illinois?

The typical household in Grayslake, Illinois earns about $113,972 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 $309,500, and the typical rent is about $1,485 a month.

How educated are people in Grayslake, Illinois?

About 58.5% 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 6.3% 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 13,541 residents, a change of about 183 percent over that period.

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

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