Deer Park, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Deer Park, Illinois had a total population of 3,711, the 396th largest village in Illinois, with a median household income of $174,458, which is 109% higher than the state average. The poverty rate is 1.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 109% above the state average — one of the wealthiest communities in Illinois.
- An exceptionally low poverty rate of 1.3% — among the lowest in Illinois.
- 72.4% of adults hold a bachelor's degree or higher — top 10% in Illinois.
- Near full employment with an unemployment rate of just 2.3%.
Deer Park Quick Facts
How Deer Park 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 | 3,711 | 3,711 | +0.0% |
| Median household income | $160,750 | $174,458 | +8.5% |
| Median home value | $636,200 | $661,300 | +3.9% |
How Deer Park 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+)
Deer Park Rankings in Illinois
Explore Illinois Rankings
Other Cities in Cook County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chicago | 2,711,226 | $77,902 | 16.8% | $334,100 |
| Elgin | 114,934 | $90,282 | 9.8% | $273,000 |
| Cicero | 82,797 | $70,842 | 14.6% | $249,400 |
| Schaumburg | 76,868 | $97,514 | 5.7% | $330,400 |
| Evanston | 76,340 | $96,434 | 11.8% | $481,200 |
| Arlington Heights | 76,005 | $116,723 | 6.0% | $414,500 |
| Palatine | 66,293 | $97,819 | 8.2% | $355,600 |
| Skokie | 66,219 | $95,337 | 9.7% | $387,200 |
| Des Plaines | 59,156 | $97,875 | 6.0% | $335,600 |
| Orland Park | 57,916 | $98,910 | 7.3% | $367,200 |
Cities Similar to Deer Park
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wadsworth | 3,686 | $142,738 | $378,900 | 47.4% | 8.5% |
| Barrington Hills | 3,879 | $205,074 | $913,600 | 66.0% | 8.2% |
| Smithton | 3,680 | $135,455 | $256,300 | 40.6% | 3.4% |
| Germantown Hills | 3,436 | $147,341 | $264,900 | 56.9% | 5.4% |
| Green Oaks | 4,096 | $147,614 | $673,100 | 60.9% | 6.1% |
Population Overview
Deer Park is a small community located in Illinois, within Cook County. The total population is 3,711. It ranks as the 396th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Deer Park is 41.2 years. This is 6% higher than the state median of 39.0 years. With 28.9% of the population under 18, Deer Park has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Deer Park is $174,458. This is 109% higher than the state median of $83,390. It is also 116% higher than the national median of $80,734. The poverty rate stands at 1.3%. This is 89% lower than the state poverty rate of 11.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.3%. This is 61% lower than the state rate of 5.8%. The median home value is $661,300. Housing costs are 151% higher than the state median of $263,300. The home-value-to-income ratio is 3.8x. 73.5% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Deer Park is White (non-Hispanic), making up 79.6% of the population. Asian residents account for 8.0%. The Hispanic or Latino population (3.3%) is well below the state average of 18.8%.
Education
72.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Deer Park in the top 10% of all cities in the state for educational attainment. This is 91% 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 98.9%. Notably, 31.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Deer Park, 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 Deer Park, Illinois?
Deer Park, Illinois has a population of 3,711 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Deer Park, IL?
The median household income in Deer Park is $174,458, which is 116% higher than the national median of $80,734.
What is the poverty rate in Deer Park, IL?
The poverty rate in Deer Park is 1.3%. This means approximately 46 residents live below the federal poverty line.
What is the racial makeup of Deer Park, Illinois?
Deer Park's population is 79.6% White, 0.0% Black, 3.3% Hispanic/Latino, and 8.0% Asian.
What is the median home value in Deer Park, IL?
The median home value in Deer Park is $661,300. The home-value-to-income ratio is 3.8x.
How educated is Deer Park, Illinois?
72.4% of adults (25+) in Deer Park hold a bachelor's degree or higher, and 31.6% hold a graduate or professional degree.