Oak Brook ZIP Codes — Dupage County, IL

There is one unique ZIP code in Oak Brook, Illinois and it is 60523. Area code: 630/708/847/224/773/331.

ZIP codes

8.95

sq mi land

0.33

sq mi water

630/708/847/224/773/331

area code

Oak Brook, IL ZIP code map

About Oak Brook, IL

Oak Brook, Illinois, is a picturesque village in Dupage County known for its affluent residential areas and lush parks. This charming community offers a blend of suburban tranquility and proximity to urban amenities, making it an attractive place for families and professionals alike. With its well-maintained landscapes and thriving economy, Oak Brook exemplifies a desirable suburban lifestyle.

Location & geography

Geographically, Oak Brook is situated approximately 20 miles west of downtown Chicago, making it easily accessible to the city while retaining a serene suburban environment. The village is bordered by notable cities, such as Hinsdale to the south, Elmhurst to the north, and Oakbrook Terrace to the east, all within a few miles. The land area of the village measures 17.91 square miles, complemented by a water area of 0.67 square miles, which includes several beautiful parks and nature trails.

Community & economy

The community of Oak Brook is characterized by its affluence, with many residents enjoying a high standard of living and access to various amenities. Key industries in the area include retail, finance, and corporate services, sustaining a vibrant economy that attracts businesses and visitors. Daily life in Oak Brook revolves around its upscale shopping centers, dining options, and recreational facilities, providing residents with ample opportunities for leisure and social activities.

Transportation

Oak Brook is conveniently connected by major highways, including Interstate 88 and Interstate 294, facilitating easy commuting to nearby communities and the greater Chicago area. The nearest airports include O'Hare International Airport and Midway International Airport, both located within a reasonable driving distance. Public transportation options are available, enhancing accessibility for commuters traveling to work or visiting the area.

History

Founded in the early 20th century, Oak Brook emerged as a residential suburb with significant growth in the latter half of the century, largely fueled by its proximity to Chicago. Key industries have historically included retail and corporate headquarters, contributing to the village's economic development and prestige. Notable events in the village’s history include the establishment of the Oak Brook Center, a premier shopping destination that has drawn visitors for decades.

Did you know?

A surprising fact about Oak Brook is its reputation as a regional business hub, hosting several major companies and corporate headquarters. Additionally, it is home to the iconic York Woods County Forest Preserve, offering residents lovely natural spaces for recreation and relaxation.

ZIP codes for Oak Brook, IL (1)

ZIP code	City	County	Map
60523	Oak Brook	Dupage	View map

Demographics & statistics

10,179

Population

56.1

Median age

$106,185

Median household income

$82,711

Per capita income

$714,700

Median home value

$669

Median monthly rent

79.5%

Home ownership

9.3%

Poverty rate

9.5%

Unemployment

3,771

Housing units

61.8%

Bachelor's or higher

Age distribution

Male Female

156

Under 5

191

245

5–9

300

305

10–14

374

222

15–19

271

238

20–24

291

204

25–34

250

430

35–44

526

429

45–54

526

380

55–59

466

174

60–64

213

836

65–74

1,023

694

75–84

849

263

85+

323

← Male

Female →

Age summary

Group	Count	%
Under 18	1,913	18.8%
18 and over	8,266	81.2%
65 and over	3,988	39.2%
Median age	56.1 years

Race & ethnicity

White 64.1%

Asian 25.4%

Two or more races 5.1%

Hispanic or Latino 3%

Black or African American 1.7%

Other race 0.6%

Group	Count	%
White	6,729	64.1%
Asian	2,671	25.4%
Two or more races	540	5.1%
Hispanic or Latino	319	3%
Black or African American	180	1.7%
Other race	59	0.6%

Household income

Under $10k 7.5%

$10k–$15k 2.5%

$15k–$25k 10.0%

$25k–$35k 6.2%

$35k–$50k 6.7%

$50k–$75k 7.0%

$75k–$100k 8.4%

$100k–$150k 9.9%

$150k–$200k 10.8%

$200k+ 31.1%

Range	% of households
Under $10k	7.5%
$10k–$15k	2.5%
$15k–$25k	10.0%
$25k–$35k	6.2%
$35k–$50k	6.7%
$50k–$75k	7.0%
$75k–$100k	8.4%
$100k–$150k	9.9%
$150k–$200k	10.8%
$200k+	31.1%
Median income	$106,185

Housing

Home values

Under $50k 1.7%

$50k–$100k 2.8%

$100k–$150k 2.3%

$150k–$200k 2.2%

$200k–$300k 2.2%

$300k–$500k 20.1%

$500k–$1M 38.5%

$1M+ 30.1%

Housing overview

Metric	Value
Median home value	$714,700
Median rent / month	$669
Owner occupied	79.5%
Renter occupied	20.5%
Vacant	5.9%
Single-family detached	60.5%
Large apartment buildings	26.2%
Mobile homes	0.2%
Median rooms	7.4
Avg household size (owned)	2.52

Year built

Era	%
2020 or later	0.2%
2010–2019	2.3%
2000–2009	5.8%
1990–1999	4.9%
1980–1989	20.5%
1970–1979	38.1%
1960–1969	16.1%
1950–1959	8.7%
1940–1949	2.1%
1939 or earlier	1.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	17.1%
2 bedrooms	14.1%
3 bedrooms	22.1%
4 bedrooms	30.8%
5+ bedrooms	14.5%

Vehicles per household

Vehicles	% of households
No vehicle	9.0%
1 vehicle	30.3%
2 vehicles	33.9%
3 or more	26.7%

Heating fuel

Fuel type	%
Utility gas	70.5%
Electricity	26.6%
Propane / LP gas	0.8%
Fuel oil	0.1%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	2,162	49.1%
Cohabiting couple	41	0.9%
Male householder, no spouse	730	16.6%
Female householder, no spouse	1,466	33.3%
Households with children under 18	976	22.2%
Households with seniors (65+)	2,775	63.1%
Average household size	2.29

Marital status

Status	Male	Female
Never married	23.6%	18.0%
Married	57.3%	48.9%
Separated	1.6%	1.9%
Widowed	9.6%	19.6%
Divorced	7.8%	11.5%

Education

Less than 9th grade 1.3%

Some HS, no diploma 2.6%

HS graduate 14.1%

Some college, no degree 14.7%

Associate's degree 5.6%

Bachelor's degree 32.6%

Graduate / professional 29.1%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	61.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	108	4.6%
Kindergarten	124	5.3%
Elementary school	859	36.6%
High school	539	23.0%
College / grad school	716	30.5%

Employment

Industry of employment

Education & healthcare 32.6%

Professional & management 14.9%

Retail trade 12.5%

Manufacturing 11.6%

Finance & real estate 10.7%

Arts, food & hospitality 4.4%

Transportation & utilities 3.8%

Wholesale trade 3.4%

Other services 2.5%

Construction 1.1%

Public administration 0.9%

Information 0.8%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	67.7%
Service	6.6%
Sales & office	16.8%
Natural resources & construction	1.1%
Production & transportation	7.8%

Employment type

Type	%
Private sector	88.5%
Government	8.1%
Self-employed	3.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.5%
Carpool	6.2%
Public transit	2.3%
Walk	1.1%
Other means	0.3%
Avg commute (minutes)	26.2

Poverty

All people 9.3%

Under 18 years 10.2%

18 and over 9.1%

Married-couple families 2.4%

Female-led households 38.8%

Income support

Source	% of households
Social Security	54.8%
Retirement income	37.8%
Supplemental Security	1.8%
Cash public assistance	0.7%
Food stamps / SNAP	6.8%

Health indicators

Condition	%
High blood pressure	36.3%
High cholesterol	41.1%
Heart disease	7.8%
Stroke	3.4%
Asthma	7.7%
Arthritis	29.3%
Kidney disease	3.4%
Pulmonary disease	6.1%
Cancer	10.0%

Behavior / access	%
Binge drinking	10.5%
No physical activity	22.8%
Less than 7 hrs sleep	26.5%
Fair or poor health	11.6%
Poor mental health	8.2%
Poor physical health	8.3%
No health insurance	7.1%
Visited doctor (checkup)	79.8%
Visited dentist	74.0%
Cholesterol screening	94.8%
Teeth loss	8.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	443	5.4%

Disability	%
Any disability	11.7%
Under 18	2.4%
18–64 years	4.2%
65 and over	24.3%

Health insurance coverage

Type	%
Private insurance	76.3%
Public insurance	44.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,832	96.6%
Spanish	485	4.9%
Other Indo-European	68	0.7%
Asian & Pacific Islander	86	0.9%
Other languages	242	2.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,668	75.3%
Born in same state	7,576	74.4%
Born in different state	6,024	59.2%
Foreign born	92	0.9%
Naturalized citizen	2,511	24.7%
Not a US citizen	2,250	89.6%

Ancestry

Ancestry	Count	%
Italian	1,356	13.3%
French	517	5.1%
Arab	383	3.8%
English	167	1.6%
Norwegian	95	0.9%

Ancestry	Count	%
Irish	57	0.6%
Dutch	33	0.3%
Polish	31	0.3%
German	12	0.1%

Technology access

Metric	% of households
Computer access	43.2%
Internet access	88.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Oak Brook, IL have?

Oak Brook, IL has one ZIP code: 60523. Each ZIP code serves a distinct delivery area within the city and surrounding region.