Round Lake Heights, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Round Lake Heights, Illinois had a total population of 2,592, the 452nd largest village in Illinois, with a median household income of $78,986, which is 5% lower than the state average. The poverty rate is 14.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Round Lake Heights Quick Facts
How Round Lake Heights 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 | 2,585 | 2,592 | +0.3% |
| Median household income | $75,556 | $78,986 | +4.5% |
| Median home value | $196,100 | $216,800 | +10.6% |
How Round Lake Heights 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Round Lake Heights 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 Round Lake Heights
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Trenton | 2,664 | $80,795 | $178,200 | 30.7% | 12.4% |
| Richmond | 2,622 | $73,029 | $238,600 | 26.8% | 5.2% |
| Marquette Heights | 2,492 | $75,625 | $123,800 | 25.2% | 3.7% |
| Oakbrook Terrace | 2,723 | $76,905 | $372,400 | 56.6% | 17.3% |
| Fairmont | 2,617 | $70,795 | $182,300 | 17.5% | 15.6% |
Population Overview
Round Lake Heights is a small community located in Illinois, within Lake County. The total population is 2,592. It ranks as the 452nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Round Lake Heights is 29.5 years. This is 24% lower than the state median of 39.0 years. With 33.5% of the population under 18, Round Lake Heights has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Round Lake Heights is $78,986. This is 5% lower than the state median of $83,390. It is also 2% lower than the national median of $80,734. The poverty rate stands at 14.5%. This is 23% higher than the state poverty rate of 11.8%. The unemployment rate is 4.1%. This is 29% lower than the state rate of 5.8%. The median home value is $216,800. Housing costs are 18% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.7x, Round Lake Heights is one of the most affordable housing markets in the area. 76.3% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Round Lake Heights is Hispanic or Latino, making up 45.6% of the population. White (non-Hispanic) residents account for 34.5%. The Hispanic or Latino population is significantly higher than the state average (45.6% vs 18.8%).
Education
18.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 51% 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 79.4%.
Data Sources & Methodology
All demographic data for Round Lake Heights, 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 Round Lake Heights, Illinois?
Round Lake Heights, Illinois has a population of 2,592 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Round Lake Heights, IL?
The median household income in Round Lake Heights is $78,986, which is 2% lower than the national median of $80,734.
What is the poverty rate in Round Lake Heights, IL?
The poverty rate in Round Lake Heights is 14.5%. This means approximately 376 residents live below the federal poverty line.
What is the racial makeup of Round Lake Heights, Illinois?
Round Lake Heights's population is 34.5% White, 11.3% Black, 45.6% Hispanic/Latino, and 5.0% Asian.
What is the median home value in Round Lake Heights, IL?
The median home value in Round Lake Heights is $216,800. The home-value-to-income ratio is 2.7x.
How educated is Round Lake Heights, Illinois?
18.4% of adults (25+) in Round Lake Heights hold a bachelor's degree or higher, and 8.3% hold a graduate or professional degree.