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CITY

Island Lake

Illinois · 8,047 residents (2025 est.) · 3.349 sq mi
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The short version

Island Lake is wealthier than most US places, with a median household income of $103,156. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $262,500. It sits in the top 10% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 39.1
US median: 38.9
Average education
30% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
8,014
−2%since 2000
from 8,153 in 2000
1990 – 2025
Population density
2,393 / sq mi
−2%since 2000
from 2,434 / sq mi in 2000
US average: 281
Median age
39.1
+21%since 2000
from 32.2 in 2000
US average: 38.9

PEP 2025 EST:8,047 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
4K5K6K8K9K1990201020202024Island Lake
20248K
1990201020202024
Section 02

Income & economy

Median household income
$103,156
−11%inflation adjusted, since 2000
from $63,455 in 2000
US average: $82,259
1990 – 2024
Per capita income
$41,302
+71%since 2000
from $24,206 in 2000
US average: $44,673
Households earning $100K+
69.6%
+20.9 ptssince 2009
from 48.7% in 2009
US average: 53.3%
Poverty rate
6.7%
+4.1 ptssince 2000
from 2.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.317
Unchangedsince 2010
from 0.318 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade15.7%
US avg: 9.9%
Information13.4%
US avg: 10.8%
Wholesale trade8.8%
US avg: 6.9%
Other services7.3%
US avg: 6.7%
Public administration5.6%
US avg: 4.8%
Transportation & warehousing4.8%
US avg: 2.2%
Finance & insurance4.5%
US avg: 5.9%
Professional, scientific, technical4.1%
US avg: 5.1%
Arts, entertainment, food0.9%
US avg: 1.9%
Agriculture, forestry, fishing0.4%
US avg: 1.6%
Construction0.4%
US avg: 1.2%
Education & health services0.4%
US avg: 0.9%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$262,500
−1%inflation adjusted, since 2000
from $145,400 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,874
+10%inflation adjusted, since 2000
from $934 in 2000
US average: $1,442
Owner-occupied
82.7%
−8.7 ptssince 2000
from 91.4% in 2000
17.3% rent
Vacancy rate
5.5%
+1.7 ptssince 2009
from 3.7% in 2009
US average: 10.0%
Owner cost-burdened
21.4%
−17.6 ptssince 2009
from 39.1% in 2009
US average: 22.9%
Renter cost-burdened
48.4%
−14.1 ptssince 2009
from 62.5% in 2009
US average: 47.4%
Afford Score
2.5
+11%since 2000
from 2.3 in 2000
1990 – 2024
Gentrification Score
42
RELATED:See current rent listings in Island Lake on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic88.7%(7,233)
Black0.5%(40)
Hispanic / Latino8.3%(679)
Asian1.6%(132)
Other0%
Diversity Score24%(1,958)
2024
White, non-Hispanic77.1%(6,175)
Black0.3%(27)
Hispanic / Latino18.1%(1,452)
Asian2.4%(193)
Other2.1%(167)
Diversity Score46.6%(3,731)
Diversity Score
47
+94%since 2000
from 24 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
30.4%
+6.9 ptssince 2000
from 23.6% in 2000
US average: 35.6%
High school or higher
91.1%
+1.5 ptssince 2000
from 89.6% in 2000
US average: 89.6%
Graduate degree
7.6%
+2.4 ptssince 2000
from 5.1% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
31.9 min
+10%since 2000
from 28.9 min in 2000
US average: 26.5
Drive alone to work
75.5%
−9.4 ptssince 2009
from 84.9% in 2009
US average: 68.9%
Carpooled to work
7.0%
−2.3 ptssince 2009
from 9.3% in 2009
US average: 8.5%
Public transit
0.4%
−0.9 ptssince 2009
from 1.3% in 2009
US average: 3.2%
Worked from home
15.0%
+13.2 ptssince 2009
from 1.8% in 2009
US average: 15.0%
Walked to work
0.0%
−1.0 ptssince 2009
from 1.0% in 2009
US average: 2.4%
Biked to work
0.0%
−0.6 ptssince 2009
from 0.6% in 2009
US average: 0.4%
No vehicle available
1.4%
−0.6 ptssince 2009
from 2.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
6.7%
−1.8 ptssince 2011
from 8.6% in 2011
US average: 5.2%
Labor force participation
73.1%
−4.6 ptssince 2011
from 77.7% in 2011
US average: 63.5%
Self-employed
8.1%
−1.7 ptssince 2009
from 9.9% in 2009
US average: 13.1%
Management & professional
41.6%
−15.6 ptssince 2009
from 57.2% in 2009
US average: 42.5%
Section 08

People & community

Male
47.6%
+0.5 ptssince 2009
from 47.1% in 2009
Female
52.4%
−0.5 ptssince 2009
from 52.9% in 2009
Foreign born
12.4%
+2.0 ptssince 2009
from 10.5% in 2009
US average: 14.1%
Veterans
5.2%
−44.0 ptssince 2009
from 49.2% in 2009
US average: 6.2%
With a disability
7.2%
+1.7 ptssince 2012
from 5.5% in 2012
US average: 13.3%
Uninsured
6.4%
−81.2 ptssince 2013
from 87.6% in 2013
US average: 8.4%
Broadband at home
98.6%
+9.7 ptssince 2017
from 88.9% in 2017
US average: 91.0%
English only at home
78.6%
−6.4 ptssince 2016
from 85.0% in 2016
US average: 77.7%
Spanish at home
14.8%
+4.8 ptssince 2016
from 10.0% in 2016
US average: 13.6%
Drill deeper

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Head to head

Compare Island Lake to nearby cities

ISLAND LAKE VS
Wauconda
Income$111,239+8%
Home value$278,600+6%
Population13,993+74%
SEE FULL COMPARISON →
ISLAND LAKE VS
Cary
Income$113,026+10%
Home value$309,800+18%
Population17,932+123%
SEE FULL COMPARISON →
ISLAND LAKE VS
McHenry
Income$86,315−16%
Home value$266,500+2%
Population29,217+263%
SEE FULL COMPARISON →
ISLAND LAKE VS
Round Lake
Income$111,977+9%
Home value$278,600+6%
Population18,526+130%
SEE FULL COMPARISON →
Frequently asked

How many people live in Island Lake, Illinois?

Island Lake, Illinois has about 8,014 residents according to the 2024 American Community Survey.

What is the median household income in Island Lake, Illinois?

The typical household in Island Lake, Illinois earns about $103,156 a year. Half of households make more than that, and half make less.

Is Island Lake, Illinois expensive?

In Island Lake, Illinois, the median home is worth about $262,500, and the typical rent is about $1,874 a month.

How educated are people in Island Lake, Illinois?

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

What is the poverty rate in Island Lake, Illinois?

About 6.7% of people in Island Lake, Illinois live below the federal poverty line.

Has Island Lake, Illinois grown since 1990?

Yes, Island Lake, Illinois has grown since 1990. The population has added about 3,544 residents, a change of about 79 percent over that period.

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

How we source and harmonize this data →