United States › Illinois › Oak Brook CITY · 2010 ACS
Oak Brook Illinois · 7,883 residents · 7.98 sq mi
Time machine
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The short version
Oak Brook is a city of 7,883 people in Illinois. That is roughly 136% ahead of the Illinois median. At a median age of 54.5, this is an older place than the country as a whole. Median home value sits at $845,400. The median household earns $131,719, about 150% above the national median. 57% of adults hold a bachelor's degree, against 28% nationally.
At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 54.5
US median: 37.2
More educated
57% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 50.0 in 2000
US average: 37.2
Population, 1990 – 2024
8K 8K 9K 9K 9K 1990 2000 2010 2020 2024 Oak Brook Age distribution, 2010
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Section 02
Income & economy $131,719
−29%inflation adjusted, since 2000
from $146,537 in 2000
US average: $52,703
from $76,668 in 2000
US average: $27,286
Households earning $100K+
from 72.9% in 2009
US average: 33.3%
from 2.1% in 2000
US average: 13.8%
Workforce by industry, 2010
Transportation & warehousing 7.8%
Public administration 6.1%
Professional, scientific, technical 3.1%
Arts, entertainment, food 2.2%
Agriculture, forestry, fishing 0.5%
Education & health services 0%
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$845,400
+14%inflation adjusted, since 2000
from $588,200 in 2000
US average: $225,659
$954
−24%inflation adjusted, since 2000
from $996 in 2000
US average: $853
from 97.0% in 2000
4.4% rent
from 6.5% in 2009
US average: 12.1%
from 2.61 people in 2009
US average: 2.60
from 34.9% in 2009
US average: 30.9%
from 20.8% in 2009
US average: 46.8%
from 6.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 74.5%(6,480)
Hispanic / Latino 2.4%(208)
2010
White, non-Hispanic 68.4%(5,395)
Hispanic / Latino 4.3%(339)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 24 more ancestry groups with data from 60.7% in 2000
US average: 27.9%
High school or higher
from 96.0% in 2000
US average: 84.9%
from 34.9% in 2000
US average: 10.2%
Section 06
Commute & transportation from 21.0 min in 2000
US average: 25.2
from 73.9% in 2009
US average: 76.2%
from 9.0% in 2009
US average: 10.4%
from 4.4% in 2009
US average: 4.7%
from 9.4% in 2009
US average: 4.1%
from 2.6% in 2009
US average: 2.8%
from 0.0% in 2009
US average: 0.5%
from 1.4% in 2009
US average: 8.7%
Section 07
Work & employment from 8.9% in 2009
US average: 12.9%
from 59.5% in 2009
US average: 35.2%
Section 08
People & community from 25.9% in 2009
US average: 12.8%
from 12.6% in 2009
US average: 9.9%
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 1.9% in 2013
US average: 8.4%
from 61.1% in 2020
US average: 54.8%
Direct-purchase
from 25.6% in 2020
US average: 13.8%
from 34.4% in 2020
US average: 18.4%
from 4.0% in 2020
US average: 20.9%
VA health care
from 1.3% in 2020
US average: 2.2%
Any private
from 81.1% in 2020
US average: 67.1%
Any public
from 37.6% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 3.9%(10)
Share of the 257 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Oak Brook Head to head
Compare Oak Brook to nearby cities OAK BROOK VS
Clarendon Hills
Income $130,388 −1%
Home value $605,800 −28%
Population 8,681 +7%
SEE FULL COMPARISON →
OAK BROOK VS
Hinsdale
Income $250,001 +90%
Home value $1,053,700 +25%
Population 17,573 +117%
SEE FULL COMPARISON →
OAK BROOK VS
Westmont
Income $88,090 −33%
Home value $379,100 −55%
Population 24,155 +198%
SEE FULL COMPARISON →
OAK BROOK VS
Westchester
Income $98,954 −25%
Home value $327,300 −61%
Population 16,300 +101%
SEE FULL COMPARISON →
Frequently asked
How many people live in Oak Brook, Illinois? Oak Brook, Illinois has about 7,883 residents according to the 2010 American Community Survey.
What is the median household income in Oak Brook, Illinois? The typical household in Oak Brook, Illinois earns about $131,719 a year. Half of households make more than that, and half make less.
Is Oak Brook, Illinois expensive? In Oak Brook, Illinois, the median home is worth about $845,400, and the typical rent is about $954 a month.
How educated are people in Oak Brook, Illinois? About 57.0% of adults age 25 and over in Oak Brook, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Oak Brook, Illinois? About 1.7% of people in Oak Brook, Illinois live below the federal poverty line.
Has Oak Brook, Illinois grown since 1990? Yes, Oak Brook, Illinois has shrunk since 1990. The population has lost about 1,295 residents, a change of about -14 percent over that period.
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