Oak Brook, Illinois Population 2022

8,219
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Oak Brook is a city located in Illinois. Oak Brook has a 2020 population of 8,219. Oak Brook is currently growing at a rate of 0.34% annually and its population has increased by 0.69% since the most recent census, which recorded a population of 8,163 in 2010.

The average household income in Oak Brook is $236,686 with a poverty rate of 4.17%. The median rental costs in recent years comes to - per month, and the median house value is $770,700. The median age in Oak Brook is 56.1 years, 54.8 years for males, and 56.7 years for females.

Oak Brook Demographics

According to the most recent ACS, the racial composition of Oak Brookwas:

  • White: 63.93%
  • Asian: 29.62%
  • Two or more races: 4.06%
  • Black or African American: 1.81%
  • Other race: 0.58%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Oak Brook, Illinois is 8,219 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 8,163.

Oak Brook, Illinois Population 2022

Population by Race

Race Population Percentage
White5,16963.93%
Black or African American1461.81%
Asian2,39529.62%
Some Other Race470.58%
Two or More Races3284.06%
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Oak Brook Population by Race

Oak Brook Population Pyramid 2022

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Oak Brook Median Age

55.1


Total

54.6


Male

55.6


Female

Oak Brook Adults

There are 6,516 adults, (2,879 of whom are seniors) in Oak Brook.

Oak Brook Age Dependency

Age Dependency Ratio

79.2

Old Age Dependency Ratio

43.1

Child Dependency Ratio

Oak Brook Sex Ratio

Female

4,348

53.78%

Male

3,737

46.22%

Oak Brook Population by Age

Oak Brook Renter vs Owner Occupied by Household Type

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Oak Brook Household Types

Type Owner Renter
Female100%0%
Non Family98.7%1.3%
All96.3%3.7%
Male96.2%3.8%
Married95.1%4.9%

96.3%

Rate of Home Ownership

Oak Brook Households and Families

Type Count Average Size Owned
All3,0292.6396.3
Married1,9143.1295.1
Male2083.4696.2
Female1982.73100
Non Family7091.0398.7

3.11

Average Family Size

2.63

Average Household Size

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Oak Brook Households by Type

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Education Attained Count Percentage
Less Than 9th Grade741.23%
9th to 12th Grade851.41%
High School Graduate78913.07%
Some College77612.85%
Associates Degree3275.42%
Bachelors Degree2,13635.38%
Graduate Degree1,85130.66%
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Oak Brook Educational Attainment by Sex (over 25)

Oak Brook Educational Attainment by Race

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Race Total High School Bachelors
Asian1,5101,5011,297
Other Race474636
2+ Races264250195
Hispanic344318248
Black11411473
White3,9223,8122,275

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 85.89%.

Oak Brook Educational Attainment by Race

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Name Average Male Female
Overall$105,570$130,643$80,417
Less Than 9th Grade$$$
High School Graduate$69,102$68,984$80,469
Some College$48,050$87,222$33,611
Bachelors Degree$99,053$107,158$85,179
Graduate Degree$148,000$157,768$122,321

$105,570

Average Earnings

$130,643

Average Male

$80,417

Average Female

Oak Brook Earnings by Educational Attainment

Oak Brook Language by Age

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Oak Brook Language

62.17% of Oak Brook residents speak only English, while 37.83% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 20.01% of the population.

Oak Brook Language

Oak Brook Poverty by Race

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Name Total In Poverty Poverty Rate
Multiple32810933.23%
Hispanic37710928.91%
Asian2,3951094.55%
White4,8361142.36%
OtherNaN%

4.17%

Overall Poverty Rate

2.52%

Male Poverty Rate

5.61%

Female Poverty Rate

Poverty in Oak Brook

The race most likely to be in poverty in Oak Brook is Multiple, with 33.23% below the poverty level.

The race least likely to be in poverty in Oak Brook is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.37%. Among those working part-time, it was 0.68%, and for those that did not work, the poverty rate was 8.82%.

Oak Brook Poverty

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Name Poverty
Less Than 9th Grade7.09%
High School1.43%
Some College0.00%
Bachelors or Greater6.09%

Oak Brook Poverty Rate by Education

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Rate Poverty
Male Employed0.00%
Male Unemployed0.00%
Female Employed1.22%
Female Unemployed0.00%

Oak Brook Poverty Rate by Employment Status and Sex

Oak Brook Income by Household Type

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Name Median Mean
Households$140,743$211,354
Families$175,500$247,630
Married Families$204,167-
Non Families$67,560$91,943
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Income by Household Type

Oak Brook Marital Status

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Marriage Rates

61.0%

Overall Marriage Rate

63.3%

Male Marriage Rate

58.9%

Female Marriage Rate

Oak Brook Married by Age and Sex

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Oak Brook Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Oak Brook Marital Status by Race

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Oak Brook Marital Status

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340

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War11
First Gulf War
Vietnam154
Korea46
World War II30

Oak Brook Veterans by War

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Age Group Veterans
18 to 34
35 to 5411
55 to 6418
65 to 74113
75+198

Oak Brook Veterans by Age

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Name Veterans % of Total
White3227.26%
Asian181.10%
Hispanic205.73%

Oak Brook Veterans by Race

Oak Brook Veterans by Education

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2.40%

Veteran Poverty Rate

19.16%

Veteran Disability Rate

Oak Brook Veterans by Education

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47.5%

Labor Force Participation

42.9%

Employment Rate

9.6%

Unemployment Rate

Oak Brook Employment by Age

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Oak Brook Employment by Race

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Oak Brook Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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60.17%

Born in Oak Brook

73.27%

Native Born

26.73%

Foreign Born

1.89%

Non Citizen

24.84%

Naturalized

Place of Birth

73.27% of Oak Brook residents were born in the United States, with 60.17% having been born in Illinois. 1.89% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Oak Brook Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
19704,1180.00%
19806,6412,5234.89%
19909,1782,5373.29%
20008,702-476-0.53%
20107,883-819-0.98%
20117,911280.36%
20127,939280.35%
20137,967280.35%
20147,995280.35%
20158,023280.35%
20168,051280.35%
20178,079280.35%
20188,107280.35%
20198,135280.35%
20208,163280.34%
20218,191280.34%
20228,219280.34%

Oak Brook Population by Year