Island Lake, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Island Lake, Illinois had a total population of 8,014, the 263rd largest village in Illinois, with a median household income of $103,156, which is 24% higher than the state average. The poverty rate is 6.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Island Lake Quick Facts
How Island Lake Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 8,023 | 8,014 | -0.1% |
| Median household income | $98,125 | $103,156 | +5.1% |
| Median home value | $241,900 | $262,500 | +8.5% |
How Island Lake Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Island Lake Rankings in Illinois
Explore Illinois Rankings
Other Cities in Lake County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Waukegan | 89,076 | $71,919 | 15.3% | $190,900 |
| Mundelein | 31,915 | $108,340 | 8.2% | $309,700 |
| North Chicago | 30,643 | $60,172 | 24.5% | $159,600 |
| Gurnee | 30,510 | $119,628 | 5.2% | $344,300 |
| Highland Park | 30,398 | $168,094 | 4.2% | $607,300 |
| Round Lake Beach | 27,079 | $86,059 | 14.8% | $199,200 |
| Vernon Hills | 26,876 | $121,943 | 6.1% | $412,300 |
| Zion | 24,600 | $63,104 | 16.0% | $183,800 |
| Grayslake | 20,929 | $113,972 | 6.3% | $309,500 |
| Libertyville | 20,525 | $165,667 | 4.2% | $512,000 |
Cities Similar to Island Lake
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| West Dundee | 7,906 | $105,368 | $360,800 | 50.0% | 3.3% |
| Maryville | 8,316 | $100,670 | $261,800 | 43.8% | 2.7% |
| Crete | 8,386 | $97,147 | $228,500 | 32.4% | 3.9% |
| Rockton | 7,974 | $119,058 | $235,400 | 38.4% | 5.5% |
| Hampshire | 8,524 | $94,773 | $329,800 | 28.6% | 7.8% |
Population Overview
Island Lake is a small city located in Illinois, within Lake County. The total population is 8,014. It ranks as the 263rd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Island Lake is 39.1 years. This is about the same as the state median of 39.0 years.
Economy, Income & Housing
The median household income in Island Lake is $103,156. This is 24% higher than the state median of $83,390. It is also 28% higher than the national median of $80,734. The poverty rate stands at 6.7%. This is 43% lower than the state poverty rate of 11.8%. The unemployment rate is 6.7%. This is 15% higher than the state rate of 5.8%. The median home value is $262,500. Housing costs are about the same as the state median of $263,300. With a home-value-to-income ratio of just 2.5x, Island Lake is one of the most affordable housing markets in the area. 82.7% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Island Lake is White (non-Hispanic), making up 77.0% of the population. Hispanic or Latino residents account for 18.1%. The Black or African American population (0.3%) is well below the state average of 13.3%. The Asian population (2.4%) is well below the state average of 5.9%.
Education
30.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 20% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.1%.
Data Sources & Methodology
All demographic data for Island Lake, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Island Lake, Illinois?
Island Lake, Illinois has a population of 8,014 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Island Lake, IL?
The median household income in Island Lake is $103,156, which is 28% higher than the national median of $80,734.
What is the poverty rate in Island Lake, IL?
The poverty rate in Island Lake is 6.7%. This means approximately 534 residents live below the federal poverty line.
What is the racial makeup of Island Lake, Illinois?
Island Lake's population is 77.0% White, 0.3% Black, 18.1% Hispanic/Latino, and 2.4% Asian.
What is the median home value in Island Lake, IL?
The median home value in Island Lake is $262,500. The home-value-to-income ratio is 2.5x.
How educated is Island Lake, Illinois?
30.4% of adults (25+) in Island Lake hold a bachelor's degree or higher, and 7.6% hold a graduate or professional degree.