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Oak Brook

A village of 8,056 people in Illinois
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The places and views that make it Oak Brook

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100 Years of Elmhurst News p. 31 First Source of Running Water Mammoth Spring Was City's1861
From Oak Brook’s story

100 Years of Elmhurst News p. 31 First Source of Running Water Mammoth Spring Was City's, 1861

Photo · Wikimedia Commons

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About Oak Brook

Suburb of Chicago
1958Established
8,163Population
8.3 sq miArea
663 ftElevation

Oak Brook is a village in DuPage County and Cook County, Illinois, United States. The population was 8,163 at the 2020 census. A suburb of Chicago, it contains the headquarters of Ace Hardware, Portillo's Restaurants, Blistex, Federal Signal, CenterPoint Properties, Sanford L.P., TreeHouse Foods, Lions Clubs International, the U.S. Census Bureau Chicago regional office, and former headquarters of McDonald's and Ferrara Candy. The Lizzadro Museum of Lapidary Art moved there in 2019.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Living in Oak Brook

Housing in Oak Brook

$991K▲ 9% in a year Typical home value · Zillow

The typical Oak Brook home is worth about $991,000, up 9% in a year, 233% above the Illinois typical home.

A balanced market

Buyer’sBalancedSeller’s
Days on market48
Sale-to-list101.8%
Sold in May5
Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Oak Brook

D

Safety Grade D

Oak Brook reports more crime per resident than most U.S. towns we grade: about 95% report less.

Violent crime per 1,000
Oak Brook 1
Illinois 2.6
U.S. 3.3
Property crime per 1,000
Oak Brook 59.2
Illinois 15.6
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Health in Oak Brook

A

Health Grade A

Healthier than 87% of U.S. towns on seven CDC estimates.

Compared with Illinois

19better than IL·7worse

of 32 measures CDC estimates. The other 6 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Elmhurst Memorial HospitalElmhurst · 2 mi · ER
Vna Health Care - Villa ParkVilla Park · 3.9 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Oak Brook · CMS · HRSAHealth in Oak Brook →

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Oak Brook

Illinois · IL
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01