Lake Barrington, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Lake Barrington, Illinois had a total population of 5,442, the 324th largest village in Illinois, with a median household income of $141,958, which is 70% higher than the state average. The poverty rate is 6.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 70% above the state average — one of the wealthiest communities in Illinois.
- 63.6% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Lake Barrington Quick Facts
How Lake Barrington 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 | 5,400 | 5,442 | +0.8% |
| Median household income | $132,857 | $141,958 | +6.9% |
| Median home value | $451,400 | $475,700 | +5.4% |
How Lake Barrington 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+)
Lake Barrington 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 Lake Barrington
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Northfield | 5,487 | $161,500 | $878,300 | 80.7% | 3.2% |
| Grandwood Park | 5,262 | $126,736 | $330,500 | 59.2% | 2.8% |
| Spring Grove | 5,917 | $134,210 | $398,400 | 44.9% | 1.4% |
| Highwood | 5,301 | $107,875 | $405,400 | 39.1% | 16.0% |
| Lake Holiday | 5,641 | $107,875 | $256,400 | 31.0% | 2.9% |
Population Overview
Lake Barrington is a small city located in Illinois, within Lake County. The total population is 5,442. It ranks as the 324th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Lake Barrington is 54.9 years. This is 41% higher than the state median of 39.0 years. 16.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Lake Barrington is $141,958. This is 70% higher than the state median of $83,390. It is also 76% higher than the national median of $80,734. The poverty rate stands at 6.3%. This is 47% lower than the state poverty rate of 11.8%. The unemployment rate is 5.9%. The median home value is $475,700. Housing costs are 81% higher than the state median of $263,300. The home-value-to-income ratio is 3.4x. 89.0% of occupied housing units are owner-occupied. This homeownership rate is 33% higher than the state average of 67.1%.
Race & Ethnicity
Lake Barrington has a predominantly White (non-Hispanic) population, comprising 86.0% of all residents. Asian residents account for 7.0%. The Hispanic or Latino population (2.0%) is well below the state average of 18.8%.
Education
63.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Lake Barrington in the top 10% of all cities in the state for educational attainment. This is 68% higher 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 97.5%. Notably, 28.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Lake Barrington, 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 Lake Barrington, Illinois?
Lake Barrington, Illinois has a population of 5,442 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lake Barrington, IL?
The median household income in Lake Barrington is $141,958, which is 76% higher than the national median of $80,734.
What is the poverty rate in Lake Barrington, IL?
The poverty rate in Lake Barrington is 6.3%. This means approximately 338 residents live below the federal poverty line.
What is the racial makeup of Lake Barrington, Illinois?
Lake Barrington's population is 86.0% White, 0.0% Black, 2.0% Hispanic/Latino, and 7.0% Asian.
What is the median home value in Lake Barrington, IL?
The median home value in Lake Barrington is $475,700. The home-value-to-income ratio is 3.4x.
How educated is Lake Barrington, Illinois?
63.6% of adults (25+) in Lake Barrington hold a bachelor's degree or higher, and 28.9% hold a graduate or professional degree.