Oakbrook Terrace, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Oakbrook Terrace, Illinois had a total population of 2,723, the 445th largest city in Illinois, with a median household income of $76,905, which is 8% lower than the state average. The poverty rate is 17.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 56.6% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Oakbrook Terrace Quick Facts
How Oakbrook Terrace 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 | 2,714 | 2,723 | +0.3% |
| Median household income | $70,586 | $76,905 | +9.0% |
| Median home value | $315,600 | $372,400 | +18.0% |
How Oakbrook Terrace 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+)
Oakbrook Terrace Rankings in Illinois
Explore Illinois Rankings
Other Cities in DuPage County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Aurora | 179,898 | $93,633 | 9.5% | $274,800 |
| Naperville | 150,692 | $155,105 | 4.5% | $540,200 |
| Bolingbrook | 74,096 | $108,400 | 9.2% | $314,700 |
| Wheaton | 53,557 | $120,008 | 5.6% | $455,700 |
| Downers Grove | 50,054 | $115,114 | 5.5% | $449,800 |
| Lombard | 43,619 | $100,362 | 7.2% | $335,700 |
| Carol Stream | 39,460 | $102,309 | 6.4% | $335,000 |
| Addison | 35,489 | $90,431 | 8.7% | $341,300 |
| St. Charles | 32,854 | $114,300 | 4.5% | $377,400 |
| Glendale Heights | 32,808 | $86,545 | 10.3% | $261,700 |
Cities Similar to Oakbrook Terrace
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Pawnee | 2,738 | $81,103 | $149,500 | 35.0% | 14.2% |
| Lena | 2,761 | $72,663 | $146,000 | 24.6% | 3.1% |
| Trenton | 2,664 | $80,795 | $178,200 | 30.7% | 12.4% |
| Round Lake Heights | 2,592 | $78,986 | $216,800 | 18.4% | 14.5% |
| Richmond | 2,622 | $73,029 | $238,600 | 26.8% | 5.2% |
Population Overview
Oakbrook Terrace is a small community located in Illinois, within DuPage County. The total population is 2,723. It ranks as the 445th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Oakbrook Terrace is 34.4 years. This is 12% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Oakbrook Terrace is $76,905. This is 8% lower than the state median of $83,390. It is also 5% lower than the national median of $80,734. The poverty rate stands at 17.3%. This is 46% higher than the state poverty rate of 11.8%. The unemployment rate is 3.7%. This is 36% lower than the state rate of 5.8%. The median home value is $372,400. Housing costs are 41% higher than the state median of $263,300. The home-value-to-income ratio is 4.8x. 24.8% of occupied housing units are owner-occupied. This homeownership rate is 63% lower than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Oakbrook Terrace is White (non-Hispanic), making up 57.2% of the population. Black or African American residents account for 20.3%. The Black or African American population is significantly higher than the state average (20.3% vs 13.3%). The Hispanic or Latino population (8.5%) is well below the state average of 18.8%. The Asian population is significantly higher than the state average (10.8% vs 5.9%).
Education
56.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Oakbrook Terrace in the top 10% of all cities in the state for educational attainment. This is 50% 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 95.0%. Notably, 27.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Oakbrook Terrace, 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 Oakbrook Terrace, Illinois?
Oakbrook Terrace, Illinois has a population of 2,723 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oakbrook Terrace, IL?
The median household income in Oakbrook Terrace is $76,905, which is 5% lower than the national median of $80,734.
What is the poverty rate in Oakbrook Terrace, IL?
The poverty rate in Oakbrook Terrace is 17.3%. This means approximately 471 residents live below the federal poverty line.
What is the racial makeup of Oakbrook Terrace, Illinois?
Oakbrook Terrace's population is 57.2% White, 20.3% Black, 8.5% Hispanic/Latino, and 10.8% Asian.
What is the median home value in Oakbrook Terrace, IL?
The median home value in Oakbrook Terrace is $372,400. The home-value-to-income ratio is 4.8x.
How educated is Oakbrook Terrace, Illinois?
56.6% of adults (25+) in Oakbrook Terrace hold a bachelor's degree or higher, and 27.5% hold a graduate or professional degree.