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zipcodes.pro — CITY/IL/OAK-BROOK

Oak Brook ZIP code, Illinois

The ZIP code for Oak Brook, IL is 60523, and its area codes are 630, 708, 847, 312 and 331.

USPS city name
1 ZIP code
Overlapping the city
4 more
Population
8,056
Area codes
630, 708, 847, 312, 331

NANPA lists no telephone rate centre for Oak Brook itself, so these are the area codes of the nearest one, Hinsdale (2.8 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Oak Brook uses the ZIP code above. 4 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Oak Brook in numbers

About 8,056 people live in Oak Brook, in 3,061 households. The median household income is $175,870 a year, 2.1 times the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $903,200 (3.4 times the Illinois median), and median gross rent is $2,590 a month. The median age is 55.2; 66.4% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 32 minutes.

Population8,056Oak Brook8,056
Households3,061Oak Brook3,061
Median age55.2Oak Brook55.2Illinois39.0US 38.9
Median household income$175,870Oak Brook$175,870Illinois$83,390US $80,734
Median home value$903,200Oak Brook$903,200Illinois$263,300US $332,700
Median gross rent$2,590Oak Brook$2,590Illinois$1,274US $1,413
Bachelor's degree or higher66.4%Oak Brook66.4%Illinois37.8%US 35.7%
Mean commute31.5 minOak Brook31.5 minIllinois27.8 minUS 26.4 min
Population density1,010 / sq miOak Brook1,010 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Oak Brook village. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Oak Brook

ZIP codes with the USPS city name Oak Brook
ZIP City Type Population Median income Median home
60523 Oak Brook , IL Standard 10,144 $118,194 $782,100

Other ZIP codes overlapping Oak Brook

These ZIP codes cover part of Oak Brook but are addressed as somewhere else.

ZIP codes overlapping Oak Brook
ZIP City Type Population Median income Median home
60126 Elmhurst , IL Standard 47,516 $147,566 $540,300
60148 Lombard , IL Standard 52,596 $100,616 $344,100
60181 Villa Park , IL Standard 30,346 $92,142 $311,500
60521 Hinsdale , IL Standard 18,056 $249,200 $1,032,800

Map of Oak Brook ZIP codes

60523

The ZIP codes of Oak Brook, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Oak Brook

The nearest larger towns are Clarendon Hills (8,659 people, 2.6 mi), Hinsdale (17,175 people, 2.8 mi) and Westmont (23,724 people, 3.1 mi).

Towns near Oak Brook
TownPopulationDistance
Oakbrook Terrace 2,723 1.4 mi
Clarendon Hills 8,659 2.6 mi
Hinsdale 17,175 2.8 mi
Westmont 23,724 3.1 mi
Westchester 16,436 3.3 mi
Hillside 8,084 3.4 mi
Western Springs 13,446 3.6 mi
Villa Park 22,345 3.6 mi
Lombard 43,619 4.1 mi
La Grange Park 13,447 4.2 mi
Elmhurst 45,671 4.2 mi
Berkeley 5,199 4.2 mi
Downers Grove 50,054 4.5 mi
La Grange 15,998 4.5 mi

More nearby: every ZIP code in DuPage County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Oak Brook, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/oak-brook

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