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Oak Brook

A village of 8,056 people in Illinois
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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.

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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 →
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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