Oak Park, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Oak Park, Illinois had a total population of 53,292, the 28th largest village in Illinois, with a median household income of $110,820, which is 33% higher than the state average. The poverty rate is 7.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 33% above the state average — one of the wealthiest communities in Illinois.
- 72.5% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Oak Park Quick Facts
How Oak 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 | 53,315 | 53,292 | -0.0% |
| Median household income | $108,026 | $110,820 | +2.6% |
| Median home value | $456,300 | $465,500 | +2.0% |
How Oak 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Oak 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 Oak Park
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wheaton | 53,557 | $120,008 | $455,700 | 64.5% | 5.6% |
| Tinley Park | 54,842 | $105,189 | $299,900 | 37.0% | 5.0% |
| Hoffman Estates | 51,175 | $106,806 | $351,900 | 48.5% | 7.1% |
| Downers Grove | 50,054 | $115,114 | $449,800 | 58.2% | 5.5% |
| Mount Prospect | 55,472 | $101,720 | $397,400 | 48.5% | 6.6% |
Population Overview
Oak Park is a mid-sized community located in Illinois, within Cook County. The total population is 53,292. It ranks as the 28th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Oak Park is 40.3 years. This is 3% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Oak Park is $110,820. This is 33% higher than the state median of $83,390. It is also 37% higher than the national median of $80,734. The poverty rate stands at 7.4%. This is 37% lower than the state poverty rate of 11.8%. The unemployment rate is 5.6%. This is 4% lower than the state rate of 5.8%. The median home value is $465,500. Housing costs are 77% higher than the state median of $263,300. The home-value-to-income ratio is 4.2x. 60.0% of occupied housing units are owner-occupied. This homeownership rate is 11% lower than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Oak Park is White (non-Hispanic), making up 61.5% of the population. Black or African American residents account for 17.8%. The Hispanic or Latino population (9.3%) is well below the state average of 18.8%.
Education
72.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Oak Park in the top 10% of all cities in the state for educational attainment. This is 92% 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 97.6%. Notably, 38.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Oak 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 Oak Park, Illinois?
Oak Park, Illinois has a population of 53,292 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oak Park, IL?
The median household income in Oak Park is $110,820, which is 37% higher than the national median of $80,734.
What is the poverty rate in Oak Park, IL?
The poverty rate in Oak Park is 7.4%. This means approximately 3,938 residents live below the federal poverty line.
What is the racial makeup of Oak Park, Illinois?
Oak Park's population is 61.5% White, 17.8% Black, 9.3% Hispanic/Latino, and 5.1% Asian.
What is the median home value in Oak Park, IL?
The median home value in Oak Park is $465,500. The home-value-to-income ratio is 4.2x.
How educated is Oak Park, Illinois?
72.5% of adults (25+) in Oak Park hold a bachelor's degree or higher, and 38.7% hold a graduate or professional degree.