United States › Illinois › Island Lake CITY
Island Lake Illinois · 8,047 residents (2025 est.) · 3.35 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Island Lake is a city of 8,014 people in Illinois. Few US cities rank higher on income. 83% of homes are owner-occupied. There are 2,393 people per square mile. Households here earn about 24% more than in Illinois as a whole. People stay put here: 96% were in the same home a year ago.
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 from 8,153 in 2000
8,047 in 2025 (Census Bureau estimate)
2,393 / sq mi
−5%since 2009
from 2,525 / sq mi in 2009
US average: 281
from 32.2 in 2000
US average: 38.9
Population, 1990 – 2024
4K 5K 6K 8K 9K 1990 2000 2010 2020 2024 Island Lake Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $103,156
−11%inflation adjusted, since 2000
from $63,455 in 2000
US average: $82,259
from $24,206 in 2000
US average: $44,673
Households earning $100K+
from 48.7% in 2009
US average: 53.3%
from 2.6% in 2000
US average: 12.5%
from 0.318 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 5.6%
Transportation & warehousing 4.8%
Professional, scientific, technical 4.1%
Arts, entertainment, food 0.9%
Agriculture, forestry, fishing 0.4%
Education & health services 0.4%
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$262,500
−1%inflation adjusted, since 2000
from $145,400 in 2000
US average: $376,019
$1,874
+10%inflation adjusted, since 2000
from $934 in 2000
US average: $1,442
from 91.4% in 2000
17.3% rent
from 3.7% in 2009
US average: 10.0%
from 2.92 people in 2009
US average: 2.54
from 39.1% in 2009
US average: 22.9%
from 62.5% in 2009
US average: 47.4%
from 2.9 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 88.7%(7,233)
Hispanic / Latino 8.3%(679)
2024
White, non-Hispanic 77.1%(6,175)
Hispanic / Latino 18.1%(1,452)
from 39 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 18 more ancestry groups with data from 23.6% in 2000
US average: 35.6%
High school or higher
from 89.6% in 2000
US average: 89.6%
from 5.1% in 2000
US average: 14.0%
Section 06
Commute & transportation from 28.9 min in 2000
US average: 26.5
from 84.9% in 2009
US average: 68.9%
from 9.3% in 2009
US average: 8.5%
from 1.3% in 2009
US average: 3.2%
from 1.8% in 2009
US average: 15.0%
from 1.0% in 2009
US average: 2.4%
from 0.6% in 2009
US average: 0.4%
from 2.0% in 2009
US average: 8.3%
Section 07
Work & employment from 8.6% in 2011
US average: 5.2%
from 77.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 72.8% in 2020
US average: 74.6%
from 9.9% in 2009
US average: 13.1%
from 27.9% in 2009
US average: 42.5%
Section 08
People & community from 10.5% in 2009
US average: 14.1%
from 7.2% in 2009
US average: 6.2%
from 5.5% in 2012
US average: 13.3%
from 12.4% in 2013
US average: 8.4%
from 88.9% in 2017
US average: 91.0%
Computer in household
from 94.1% in 2020
US average: 95.5%
from 88.9% in 2020
US average: 87.7%
from 85.0% in 2016
US average: 77.7%
from 10.0% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 34.3%(1,116)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 12.4% in 2013
US average: 8.4%
from 64.5% in 2020
US average: 54.8%
Direct-purchase
from 14.9% in 2020
US average: 13.8%
from 15.1% in 2020
US average: 18.4%
from 13.7% in 2020
US average: 20.9%
VA health care
from 1.9% in 2020
US average: 2.2%
Any private
from 78.0% in 2020
US average: 67.1%
Any public
from 27.9% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 12.9%(41)
Gulf War (1990s) 15.4%(49)
Share of the 319 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Island Lake Head to head
Compare Island Lake to nearby cities ISLAND LAKE VS
Wauconda
Income $111,239 +8%
Home value $278,600 +6%
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ISLAND LAKE VS
Cary
Income $113,026 +10%
Home value $309,800 +18%
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ISLAND LAKE VS
McHenry
Income $86,315 −16%
Home value $266,500 +2%
Population 29,217 +263%
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ISLAND LAKE VS
Round Lake
Income $111,977 +9%
Home value $278,600 +6%
Population 18,526 +130%
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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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