Oak Brook is a village located in DuPage County Illinois. Oak Brook has a 2024 population of 8,014. Oak Brook is currently declining at a rate of -0.43% annually and its population has decreased by -1.7% since the most recent census, which recorded a population of 8,153 in 2020.
The average household income in Oak Brook is $264,446 with a poverty rate of 7.27%. The median age in Oak Brook is 51.7 years: 54.5 years for males, and 48.2 years for females.
According to the most recent ACS, the racial composition of Oak Brook was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,939 | 61.52% |
| Asian | 2,393 | 29.81% |
| Two or more races | 565 | 7.04% |
| Black or African American | 86 | 1.07% |
| Other race | 45 | 0.56% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Asian
Two or more races
Black or African American
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 2,863 | 2.77 | 93.7 | 6.3 |
| Married | 1,831 | 3.29 | 95.5 | 4.5 |
| Non Family | 643 | 1.09 | 90.5 | 9.5 |
| Male | 226 | 3.42 | 100 | 0 |
| Female | 163 | 2.66 | 76.7 | 23.3 |
3.24
Average Family Size
2.77
Average Household Size
93.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 61 | 1.06% |
| Associates Degree | 335 | 5.84% |
| Bachelors Degree | 1,850 | 32.25% |
| Graduate Degree | 1,999 | 34.84% |
| High School Graduate | 749 | 13.06% |
| Less Than 9th Grade | 62 | 1.08% |
| Some College | 681 | 11.87% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 3,701 | 3,661 | 2,210 |
| Asian | 1,603 | 1,541 | 1,269 |
| 2+ Races | 301 | 293 | 260 |
| Hispanic | 285 | 267 | 241 |
| Other Race | 45 | 44 | 44 |
| Black | 32 | 29 | 29 |
The highest rate of high school graduation is among white people with a rate of 98.92%.
The highest rate of bachelors degrees is among other race people with a rate of 97.78%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $108,900 | $166,851 | $59,000 |
| Graduate Degree | $158,889 | $175,682 | $149,516 |
| High School Graduate | $50,481 | $80,669 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $119,659 | $165,611 | $67,452 |
| Some College | $118,071 | $121,354 | $0 |
$119,659
Average Earnings
$165,611
Average Male
$67,452
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
65.63% of Oak Brook residents speak only English, while 34.37% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 17.47% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Asian | 2,393 | 278 | 11.62% |
| White | 4,763 | 190 | 3.99% |
| Multiple | 552 | 109 | 19.75% |
| Hispanic | 521 | 98 | 18.81% |
7.27%
Overall Poverty Rate
7.41%
Male Poverty Rate
7.15%
Female Poverty Rate
The race most likely to be in poverty in Oak Brook is Multiple, with 19.75% below the poverty level.
The race least likely to be in poverty in Oak Brook is White, with 3.99% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 2%, and for those that did not work, the poverty rate was 13.87%.
rate
Rate | Poverty |
|---|---|
| Bachelors or Greater | 8.02% |
| Some College | 4.84% |
| High School | 1.41% |
| Less Than 9th Grade | 0% |
rate
Rate | Poverty |
|---|---|
| Female Unemployed | 38.1% |
| Male Unemployed | 4.67% |
| Female Employed | 0.89% |
| Male Employed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $194,432 | $292,507 |
| Households | $171,123 | $264,446 |
| Married Families | $233,523 | $-999,999,999 |
| Non Families | $89,129 | $164,768 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
60.8%
Overall Marriage Rate
61.5%
Male Marriage Rate
60.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
227
Number of Veterans
227
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 102 |
| Korea | 16 |
| First Gulf War | 12 |
| Second Gulf War | 10 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 159 |
| 65 to 74 | 46 |
| 35 to 54 | 22 |
| 18 to 34 | 0 |
| 55 to 64 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 227 | 5.49% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.69%
Veteran Poverty Rate
44.93%
Veteran Disability Rate
LaborForceParticipation
50.4%
Labor Force Participation
45.6%
Employment Rate
9.7%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
57.65%
Born in Oak Brook
72.22%
Native Born
27.78%
Foreign Born
2.54%
Non Citizen
25.24%
Naturalized
72.22% of Oak Brook residents were born in the United States, with 57.65% having been born in Illinois. 2.54% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 7,840 | -35 | -0.44% |
| 2028 | 7,875 | -35 | -0.44% |
| 2027 | 7,910 | -34 | -0.43% |
| 2026 | 7,944 | -35 | -0.44% |
| 2025 | 7,979 | -35 | -0.44% |
| 2024 | 8,014 | -35 | -0.43% |
| 2023 | 8,049 | 14 | 0.17% |
| 2022 | 8,035 | -61 | -0.75% |
| 2021 | 8,096 | -57 | -0.7% |
| 2020 | 8,153 | 74 | 0.92% |
| 2019 | 8,079 | -59 | -0.72% |
| 2018 | 8,138 | -12 | -0.15% |
| 2017 | 8,150 | -7 | -0.09% |
| 2016 | 8,157 | -8 | -0.1% |
| 2015 | 8,165 | 28 | 0.34% |
| 2014 | 8,137 | 31 | 0.38% |
| 2013 | 8,106 | 43 | 0.53% |
| 2012 | 8,063 | 34 | 0.42% |
| 2011 | 8,029 | 59 | 0.74% |
| 2010 | 7,970 | 0 | 0% |
| 2000 | 8,702 | -476 | -5.19% |
| 1990 | 9,178 | 2,537 | 38.2% |
| 1980 | 6,641 | 2,523 | 61.27% |
| 1970 | 4,118 | -3,722 | -47.47% |