Oak Brook, Illinois

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Oak Brook, Illinois

Introduction to Oak Brook, Illinois

Oak Brook, Illinois, in Du Page county, is 8 miles W of Berwyn, Illinois and 15 miles W of Chicago, Illinois. About 8,702 people live in Oak Brook.

Oak Brook History

Oak Brook was first settled in by Europeans in 1898 and was officially incorporated as a village in 1958. Paul Butler, a descendant of the town’s first of settlers, played a pivotal role in the incorporation of the community. Oak Brook expanded from its original limits by acquiring more land from neighboring communities.

Oak Brook and nearby Attractions

  • Graue Mill and Museum
  • Lincoln Park
  • Brookfield Zoo
  • Czechoslovak Heritage Museum
  • Fullersburg Woods

Things To Do In Oak Brook

Kiddieland Amusement Park, the Whirly Ball Amusement Park and Stella’s Baseball Batting Range are popular local recreational spots, especially among children. The Oak Park Festival Theater holds regular programs and shows, while those interested in history can visit museums like the Ray A. Kroc Museum and the Graue Mill and Museum. Local festivals include the Fine Arts Festival and Highland Games. The Willow Crest Golf Course and the Fresh Meadow Golf Course are the local golf courses.

Oak Brook Transportation

Chicago O’Hare International Airport is nearby.

Oak Brook Higher Education

Local colleges and universities include Elmhurst College, the College of DuPage, the Devry Institute of Technology and Wheaton College.

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High Points

Oak Brook strengths, compared to Peers (similar size places nationally) or State (other places in Illinois):

Category Trophy
Median Family Income
(vs. Peers)
Top 1% trophy Oak Brook Median Family Income
People in Middle Class or Better
(vs. Peers)
Top 1% trophy Oak Brook People in Middle Class or Better
Well-Paid Single Men
(vs. Peers)
Top 1% trophy Oak Brook Well-Paid Single Men
Well-Paid Single Women
(vs. Peers)
Top 1% trophy Oak Brook Well-Paid Single Women
Low Rate of Poverty
(vs. Peers)
Top 4% trophy Oak Brook Low Rate of Poverty
College Educated Adults
(vs. Peers)
Top 4% trophy Oak Brook College Educated Adults
Racial Diversity
(vs. State)
Top 14% Oak Brook Racial Diversity
Public Transportation Use
(vs. Peers)
Top 18% Oak Brook Public Transportation Use

Comparative Profile of Oak Brook, Illinois

Comparing Oak Brook to similar size places nationwide (Peers) and to other places in Illinois (State):

Ratings range from 1 (lowest) to 10 (highest).

The People

Characteristic Compared
to Peers
to State
Age of the Population 10 10
Well-Paid Single Men 10 10
Well-Paid Single Women 10 10
Senior Citizens 10 10
Racial Diversity 8 9
Female Share of the Population 7 7
Male Share of the Population 5 4
Children Under 5 Years Old 1 1


Characteristic Compared
to Peers
to State
Portion of People Married 10 10
Average Household Size 8 9


Characteristic Compared
to Peers
to State
People in Middle Class or Better 10 10
Median Family Income 10 10
People Above Poverty 10 10
College Educated Adults 10 10

Commute & Sprawl

Characteristic Compared
to Peers
to State
Public Transportation Use 9 9
Working at Home 8 9
Walking and Biking to Work 4 6
Short Commute Times 2 3


Characteristic Compared
to Peers
to State
Seasonal and Vacation Housing 9 10
Housing Recently Built 9 9
Affordability of Rents 1 1
People Living Alone 1 1
Affordability of Property Taxes 1 1
Studio & One-Bedroom Rentals 1 1

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Oak Brook Almanac

Category Value
Nearest Medium City 8 miles W of Berwyn, Illinois (center to center)
Nearest Large City 15 miles W of Chicago, Illinois
County Du Page
Standard Zip Codes 60521, 60522, 60523, 60561
Company Zip Codes 60570
Phone Area Codes 630
Time Zone Central (-6 hours from GMT)
Daylight Savings The city observes Daylight Saving Time.
Latitude 41.81
Longitude -87.94

Oak Brook Climate

Nearest Weather Stations

  • Temp ranges are avg daily min and max for the month
  • Precipitation is rainfall (and rainfall equiv of snowfall)
Station WHEATON 3 SE
Distance 6.5 miles
Jan Temp 14 to 32 F
Apr Temp 38 to 63 F
Jul Temp 63 to 87 F
Oct Temp 42 to 67 F
Annual Precip 37.9 inches
Distance 12 miles
Jan Temp 14 to 30 F
Apr Temp 38 to 58 F
Jul Temp 63 to 84 F
Oct Temp 42 to 62 F
Annual Precip 36.2 inches
Station AURORA
Distance 19.7 miles
Jan Temp 11 to 29 F
Apr Temp 36 to 59 F
Jul Temp 61 to 84 F
Oct Temp 38 to 63 F
Annual Precip 38.3 inches
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Oak Brook Population (2000)

Category Count Percent
Total Population 8,702 100%
Male 4,149 47.7%
Female 4,553 52.3%
Under 18 1,706 19.6%
18+ 6,996 80.4%
65+ 1,901 21.8%
Median Age 49.9
Average Family Size 3.04
White 6,666 76.6%
African-American 119 1.4%
Asian 1,750 20.1%
American Indian & Alaskan 0 0%
Other 19 0.2%
Mixed Race 147 1.7%
Hispanic (included in categories above) 208 2.4%

Estimated Oak Brook Population Growth 2000-2005

Category Value
Est. 2005 Population 8,835
Growth 133
Growth % 1.5%

Oak Brook Ancestry

(From 2000 Census, as reported by individuals)

Note: This is national, not racial, ancestry, so, e.g., the Census doesn't have categories for Hispanic and African-American people. CityTownInfo is currently gathering additional ancestry data for this site.
Ancestry Percent
Other (often includes Hispanic and African American) 28%
German 13.6%
Italian 12.9%
Irish 9.7%
Greek 4.7%
Polish 4.5%
Iranian 3%
English 2.8%
Swedish 2.3%
US/American 2.3%
Czech 1.6%
Egyptian 1.4%
Scottish 1.2%
French (except Basque) 1.2%
Syrian 1%
Russian 0.9%
Scotch-Irish 0.9%
Arab/Arabic 0.9%
Dutch 0.8%
Czechoslovakian 0.6%
Austrian 0.6%
Ukrainian 0.6%
Hungarian 0.5%
Lithuanian 0.5%
Serbian 0.5%
Danish 0.5%
Norwegian 0.4%
Finnish 0.3%
Palestinian 0.3%
Lebanese 0.2%
Slovene 0.2%
British 0.2%
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Neighborhood and Nearby Area Names

According to the US Postal Service, Oak Brook, its neighborhoods, and/or surrounding areas are also referred to as:

Oak Brook Mall Branch (60521)

Note that not all alternate names are acceptable for use in US Post Office addresses.

Nearby Cities and Towns

Location Pop. Median Family
Income (2000)
Oak Brook 8,702 $169,718
Clarendon Hills 7,610 $103,532
Hinsdale 17,349 $132,993
Indian Head Park 3,685 $78,443
La Grange 15,608 $95,554
Western Springs 12,493 $108,870
Westmont 24,554 $64,472

Oak Brook Public Libraries

Oak Brook P.l.
Oak Brook, Illinois
(630) 990-2222
Library Web Site

library logo

More Information for Librarians

Starbucks in Oak Brook

(As of 2005)
Marshall Fields
1 Oak Brook Mall
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Oak Brook Colleges

(List of Illinois Colleges)

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