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CITY · 2010 ACS

Oak Brook

Illinois · 7,883 residents · 7.976 sq mi
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The short version

Oak Brook is significantly wealthier than the US average, with a median household income of $131,719. Population has declined 9% since 2000. 57% of adults hold a bachelor's degree or higher, well above the national rate of 28%. Median home value is $845,400. With a median age of 54.5, the population is older than the US median of 37.2. Households here earn about 136% more than the Illinois median.

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

Total population
7,883
−9%since 2000
from 8,702 in 2000
1990 – 2025
Population density
988 / sq mi
−9%since 2000
from 1,091 / sq mi in 2000
US average: 261
Median age
54.5
+9%since 2000
from 50.0 in 2000
US average: 37.2
Population, 1990 – 2024
8K8K9K9K9K1990201020202024Oak Brook
20248K
1990201020202024
Section 02

Income & economy

Median household income
$131,719
−29%inflation adjusted, since 2000
from $146,537 in 2000
US average: $52,703
1990 – 2024
Per capita income
$81,251
+6%since 2000
from $76,668 in 2000
US average: $27,286
Households earning $100K+
75.4%
+2.6 ptssince 2009
from 72.9% in 2009
US average: 33.3%
Poverty rate
1.7%
−0.4 ptssince 2000
from 2.1% in 2000
US average: 13.8%
Income inequality (Gini)
0.518
US average: 0.461
Workforce by industry, 2010
Other services11.2%
US avg: 7%
Wholesale trade9.6%
US avg: 7.2%
Transportation & warehousing7.8%
US avg: 3.1%
Retail trade7.6%
US avg: 10.9%
Information7.4%
US avg: 11.5%
Public administration6.1%
US avg: 4.9%
Finance & insurance3.1%
US avg: 5.1%
Professional, scientific, technical3.1%
US avg: 4.2%
Arts, entertainment, food2.2%
US avg: 2.4%
Agriculture, forestry, fishing0.5%
US avg: 1.9%
Construction0.5%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$845,400
+14%inflation adjusted, since 2000
from $588,200 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$954
−24%inflation adjusted, since 2000
from $996 in 2000
US average: $853
Owner-occupied
53.6%
−43.4 ptssince 2000
from 97.0% in 2000
4.4% rent
Vacancy rate
5.0%
−1.4 ptssince 2009
from 6.5% in 2009
US average: 12.1%
Owner cost-burdened
37.9%
+3.0 ptssince 2009
from 34.9% in 2009
US average: 30.9%
Renter cost-burdened
0.0%
−20.8 ptssince 2009
from 20.8% in 2009
US average: 46.8%
Afford Score
6.4
+60%since 2000
from 4.0 in 2000
1990 – 2024
RELATED:See current rent listings in Oak Brook on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic74.5%(6,480)
Black1.4%(119)
Hispanic / Latino2.4%(208)
Asian20.1%(1,750)
Other0%
Diversity Score48%(4,176)
2010
White, non-Hispanic68.4%(5,395)
Black2%(154)
Hispanic / Latino4.3%(339)
Asian23.2%(1,830)
Other1.9%(151)
Diversity Score59.2%(4,663)
Diversity Score
59
+23%since 2000
from 48 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
57.0%
−3.7 ptssince 2000
from 60.7% in 2000
US average: 27.9%
High school or higher
95.7%
−0.4 ptssince 2000
from 96.0% in 2000
US average: 84.9%
Graduate degree
28.8%
−6.1 ptssince 2000
from 34.9% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
31.5 min
+50%since 2000
from 21.0 min in 2000
US average: 25.2
Drive alone to work
77.0%
+3.1 ptssince 2009
from 73.9% in 2009
US average: 76.2%
Carpooled to work
10.3%
+1.2 ptssince 2009
from 9.0% in 2009
US average: 10.4%
Public transit
3.2%
−1.3 ptssince 2009
from 4.4% in 2009
US average: 4.7%
Worked from home
8.7%
−0.7 ptssince 2009
from 9.4% in 2009
US average: 4.1%
Walked to work
0.7%
−1.9 ptssince 2009
from 2.6% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
0.9%
−0.5 ptssince 2009
from 1.4% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
6.7%
−2.2 ptssince 2009
from 8.9% in 2009
US average: 12.9%
Management & professional
60.4%
−16.4 ptssince 2009
from 76.9% in 2009
US average: 35.2%
Section 08

People & community

Male
50.9%
−0.5 ptssince 2009
from 51.4% in 2009
Female
49.1%
+0.5 ptssince 2009
from 48.6% in 2009
Foreign born
26.7%
+0.8 ptssince 2009
from 25.9% in 2009
US average: 12.8%
Veterans
12.4%
−38.6 ptssince 2009
from 50.9% in 2009
US average: 9.9%
Drill deeper

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Head to head

Compare Oak Brook to nearby cities

OAK BROOK VS
Clarendon Hills
Income$130,388−1%
Home value$605,800−28%
Population8,681+7%
SEE FULL COMPARISON →
OAK BROOK VS
Hinsdale
Income$250,001+90%
Home value$1,053,700+25%
Population17,573+117%
SEE FULL COMPARISON →
OAK BROOK VS
Westmont
Income$88,090−33%
Home value$379,100−55%
Population24,155+198%
SEE FULL COMPARISON →
OAK BROOK VS
Westchester
Income$98,954−25%
Home value$327,300−61%
Population16,300+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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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