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)

How Oak Brook ranks

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#1Lowest depression in IL #16Lowest obesity in IL #25Highest income in IL All IL rankings →

Town numbers

ZIP code60523

Area codeSign in to add

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

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 →

Work & commute in Oak Brook

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Most working residents leave Oak Brook for work: only 7% work in town. The top destinations are Chicago (22%), Downers Grove (4%) and Elmhurst (3%). Half commute less than 12 miles.

Chicago

22%

Downers Grove

Elmhurst

Westmont

7%Work in townlive and work in Oak Brook 12 miWhere do people commute?the commute map 42,709Jobs based herea job hub

Census LEHD 2023 · ACSWork & commute in Oak Brook →

Health in Oak Brook

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.

Conditions 3▲ 7▼ 2 close Habits 2▲ 2 close Care 6▲ 1 close Mind 4▲ 1 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

5.8%Fewer adults facing housing insecurityIL 13.2% · better 3.5%Fewer adults facing a utility shut-offIL 7.8% · better 11.5%More adults who have had cancerIL 7.6% · worse

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 →

Natural hazards in Oak Brook

Low

Expected storm and flood damage is higher than in 29% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

72Does Oak Brook flood?paid flood claims since 1979 3Disasters that paid out herefederal disasters sent FEMA money to Oak Brook MapOak Brook vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Oak Brook →

Climate in Oak Brook

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Oak Brook has chilly, snowy winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 16°, and about 42 inches of snow falls in a normal winter.

34° / 19°Winter

59° / 39°Spring

82° / 62°Summer

62° / 43°Fall