Oak Brook, IL
Demographics And Statistics

Demographics | Crime | Cost Of Living
Updated: 2025-10-25

Living In Oak Brook, Illinois Summary

Life in Oak Brook research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Oak Brook over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in Oak Brook:

  • The population in Oak Brook is 8,028.

  • The median home value in Oak Brook is $917,884.

  • The median income in Oak Brook is $171,123.

  • The cost of living in Oak Brook is 200 which is 2.0x higher than the national average.

  • The median rent in Oak Brook is $2,921.

  • The unemployment rate in Oak Brook is 9.7%.

  • The poverty rate in Oak Brook is 7.3%.

  • The average high in Oak Brook is 59.3° and the average low is 39.6°.

Oak Brook SnackAbility

9
Overall SnackAbility
Jobs
8/10
Housing
1
Affordability
1
Diversity
8.5
Safety
8
Amenities
8
Education
9.5
Commute
5

Oak Brook, IL Crime Report

Crime in Oak Brook summary. We use data from the FBI to determine the crime rates in Oak Brook. Key points include:

  • There were 512 total crimes in Oak Brook in the last reporting year.

  • The overall crime rate per 100,000 people in Oak Brook is 6,388.0 / 100k people.

  • The violent crime rate per 100,000 people in Oak Brook is 62.4 / 100k people.

  • The property crime rate per 100,000 people in Oak Brook is 6,325.6 / 100k people.

  • Overall, crime in Oak Brook is 201.43% above the national average.

512
Total Crimes
201.43%
Above National Average

Crime In Oak Brook Comparison Table

Statistic Count
Raw
Oak Brook
/ 100k People
Illinois
/ 100k People
National
/ 100k People
Total Crimes Per 100K 512 6,388.0 2,004.4 2,119.2
Violent Crime 5 62.4 289.2 359.0
Murder 0 0.0 5.8 5.0
Robbery 2 25.0 90.2 61.0
Aggravated Assault 2 25.0 146.3 256.0
Property Crime 507 6,325.6 1,715.2 1,760.0
Burglary 25 311.9 290.5 229.0
Larceny 475 5,926.4 1,134.4 1,272.0
Car Theft 7 87.3 290.4 259.0

Oak Brook, IL Cost Of Living

Cost of living in Oak Brook summary. We use data on the cost of living to determine how expensive it is to live in Oak Brook. Real estate prices drive most of the variance in cost of living around Illinois. Key points include:

  • The cost of living in Oak Brook is 200 with 100 being average.

  • The cost of living in Oak Brook is 2.0x higher than the national average.

  • The median home value in Oak Brook is $917,884.

  • The median income in Oak Brook is $171,123.

200
Oak Brook's Overall Cost Of Living
2.0x
Higher Than The National Average

Cost Of Living In Oak Brook Comparison Table

Living Expense Oak Brook Illinois National Average
Overall 200 97 100
Services 108 95 100
Groceries 105 99 100
Health 107 93 100
Housing 417 95 100
Transportation 109 102 100
Utilities 90 91 100

Oak Brook, IL Weather

  • The average high in Oak Brook is 59.3° and the average low is 39.6°.

  • There are 71.4 days of precipitation each year.

  • Expect an average of 37.5 inches of precipitation each year with 30.8 inches of snow.

StatOak Brook
Average Annual High59.3
Average Annual Low39.6
Annual Precipitation Days71.4
Average Annual Precipitation37.5
Average Annual Snowfall30.8
59.3°
Average High
71.4
Days of Rain

Oak Brook, IL Photos

Beautiful Chapel
Source: Wikipedia User Tony Alter | CC BY 2.0
Mcdonaldshqil
Source: Wikipedia User Rob LaRosa from Las Vegas | CC BY-SA 2.0

Rankings for Oak Brook in Illinois

Locations Around Oak Brook

Map Of Oak Brook, IL

Best Places Around Oak Brook

1

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2

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3

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Population 47,682

4

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Population 8,642

5

Park Ridge, IL
Population 39,241

6

Winfield, IL
Population 9,982

7

Glen Ellyn, IL
Population 28,270

8

Wheaton, IL
Population 53,453

9

Arlington Heights, IL
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10

Bartlett, IL
Population 40,531

Oak Brook Demographics And Statistics

Population over time in Oak Brook

The current population in Oak Brook is 8,028. The population has increased 1.6% from 2010.

Year Population % Change
2023 8,028 -0.5%
2022 8,065 -1.4%
2021 8,178 1.2%
2020 8,085 0.1%
2019 8,075 -0.6%
2018 8,122 0.2%
2017 8,108 1.5%
2016 7,988 0.1%
2015 7,977 0.1%
2014 7,967 0.1%
2013 7,956 0.6%
2012 7,905 0.2%
2011 7,888 -0.2%
2010 7,905 -

Race / Ethnicity in Oak Brook

White
60.3% (4,840)
African American
1.1% (86)
American Indian
0.0% (0)
Asian
29.8% (2,393)
Hawaiian
0.0% (0)
Other
0.3% (24)
Two Or More
2.0% (164)
Hispanic
6.5% (521)

Oak Brook is:

  • 60.3% White with 4,840 White residents.

  • 1.1% African American with 86 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 29.8% Asian with 2,393 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.3% Other with 24 Other residents.

  • 2.0% Two Or More with 164 Two Or More residents.

  • 6.5% Hispanic with 521 Hispanic residents.

Race Oak Brook IL USA
White 60.3% 58.7% 58.2%
African American 1.1% 13.6% 12.0%
American Indian 0.0% 0.1% 0.5%
Asian 29.8% 5.8% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.3% 0.3% 0.5%
Two Or More 2.0% 3.0% 3.9%
Hispanic 6.5% 18.5% 19.0%

Gender in Oak Brook

Female
53.4% (4,290)
Male
46.6% (3,738)
  • Oak Brook is 53.4% female with 4,290 female residents.

  • Oak Brook is 46.6% male with 3,738 male residents.

Gender Oak Brook IL USA
Female 53.4% 50.6% 50.5%
Male 46.6% 49.4% 49.5%

Highest level of educational attainment in Oak Brook for adults over 25

  • 2.0% of adults in Oak Brook completed < 9th grade.

  • 1.0% of adults in Oak Brook completed 9-12th grade.

  • 13.0% of adults in Oak Brook completed high school / ged.

  • 12.0% of adults in Oak Brook completed some college.

  • 6.0% of adults in Oak Brook completed associate's degree.

  • 32.0% of adults in Oak Brook completed bachelor's degree.

  • 14.0% of adults in Oak Brook completed master's degree.

  • 16.0% of adults in Oak Brook completed professional degree.

  • 4.0% of adults in Oak Brook completed doctorate degree.

< 9th Grade
2.0% (160)
9-12th Grade
1.0% (80)
High School / GED
13.0% (1,043)
Some College
12.0% (963)
Associate's Degree
6.0% (481)
Bachelor's Degree
32.0% (2,568)
Master's Degree
14.0% (1,123)
Professional Degree
16.0% (1,284)
Doctorate Degree
4.0% (321)
Education Oak Brook IL USA
< 9th Grade 2.0% 5.0% 5.0%
9-12th Grade 1.0% 5.0% 6.0%
High School / GED 13.0% 25.0% 26.0%
Some College 12.0% 20.0% 19.0%
Associate's Degree 6.0% 8.0% 9.0%
Bachelor's Degree 32.0% 22.0% 21.0%
Master's Degree 14.0% 11.0% 10.0%
Professional Degree 16.0% 2.0% 2.0%
Doctorate Degree 4.0% 2.0% 2.0%

Household Income For Oak Brook, Illinois

  • 5.9% of households in Oak Brook earn Less than $10,000.

  • 0.7% of households in Oak Brook earn $10,000 to $14,999.

  • 4.6% of households in Oak Brook earn $15,000 to $24,999.

  • 0.7% of households in Oak Brook earn $25,000 to $34,999.

  • 3.4% of households in Oak Brook earn $35,000 to $49,999.

  • 8.6% of households in Oak Brook earn $50,000 to $74,999.

  • 7.4% of households in Oak Brook earn $75,000 to $99,999.

  • 10.0% of households in Oak Brook earn $100,000 to $149,999.

  • 15.7% of households in Oak Brook earn $150,000 to $199,999.

  • 43.1% of households in Oak Brook earn $200,000 or more.

Less than $10,000
5.9% (47,108)
$10,000 to $14,999
0.7% (5,608)
$15,000 to $24,999
4.6% (36,733)
$25,000 to $34,999
0.7% (5,608)
$35,000 to $49,999
3.4% (26,918)
$50,000 to $74,999
8.6% (68,979)
$75,000 to $99,999
7.4% (59,165)
$100,000 to $149,999
10.0% (80,195)
$150,000 to $199,999
15.7% (126,182)
$200,000 or more
43.1% (346,300)
Income Oak Brook IL USA
Less than $10,000 5.9% 5.2% 4.9%
$10,000 to $14,999 0.7% 3.4% 3.6%
$15,000 to $24,999 4.6% 6.2% 6.6%
$25,000 to $34,999 0.7% 6.5% 6.8%
$35,000 to $49,999 3.4% 9.9% 10.4%
$50,000 to $74,999 8.6% 15.1% 15.7%
$75,000 to $99,999 7.4% 12.7% 12.7%
$100,000 to $149,999 10.0% 17.9% 17.4%
$150,000 to $199,999 15.7% 9.9% 9.3%
$200,000 or more 43.1% 13.1% 12.6%

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