Residential delivery area · Illinois
ZIP Code 60523: Oak Brook, IL
ZIP code 60523 is in Oak Brook, Illinois, entirely in DuPage County (Census 2020 ZIP-county file). About 10,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $118,194 (Census Bureau, ACS 2020-2024). By Census place, 89% of its land lies in Oak Brook, and 4% in smaller places; 7% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Oak Brook · its only residential ZIP
- County
- DuPage County
- Census places
- Oak Brook
- Metro area
- Chicago-Naperville-Elgin, IL-IN
- House districts
- IL-4 (62%), IL-6 (38%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 9.0 sq mi · 1,133 people per sq mi
Where is ZIP code 60523?
60523 centers on 41.836°, -87.953° and covers 9.0 square miles of land plus 0.3 of water. It borders 8 ZIP codes: 60521, 60181, 60559, 60154, 60526, 60515, 60126, 60148.
The map draws ZIP code areas only. For the streets inside 60523, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 60523 compare with the rest of DuPage County?
| Measure | 60523 | In DuPage County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 10,144 | 39th of 43 | 370th of 1,396 |
| Median household income | $118k | not ranked | not ranked |
| Median home value | $782k | 2nd of 42 | 7th of 842 |
60523's median household income is not ranked: its 90% margin of error (±$36,814) is more than a quarter of the figure ($118,194). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 79% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 60523?
The 2020 Census counted 10,347 people in 60523; the ACS, which samples households over 2020-2024, estimates 10,144. Between the 2010 and 2020 censuses its population grew 4.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 10,144
- 2020 Census count
- 10,347+4.6% since 2010 (9,890)
- Households
- 4,433
- Median age
- 57.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 60523?
Of the 10,144 people the ACS estimates in 60523, 15.3% are under 18 and 37.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (63.2%), then Asian (not Hispanic) (29.2%).
- Under 1815.3%
- 18 to 6447.0%
- 65 and older37.7%
- White, not Hispanic63.2%
- Asian, not Hispanic29.2%
- Hispanic or Latino4.8%
- Other or two or more1.7%
- Black, not Hispanic1.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 60523 earn?
Median household income is $118,194 (ACS 2020-2024). It is not measurably different from 2015-2019 ($124,233 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $118,194±$36,814
- Income per person
- $94,958
- Below the poverty line
- 8.7%
- Unemployed (of the labor force)
- 10.1%
- Adults 25+ with a bachelor's degree
- 62.7%
- Adjusted gross income per tax return, 2022
- $371,9895,550 returns; wages 36% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 60523?
FHFA's house price index for 60523, built from repeat sales and appraisals of the same homes, rose 29% from 2015 to 2025 and rose 37% from 2020 to 2025, and moved −1.8% in 2025.
- Median home value (owners' estimate)
- $782,100
- Median gross rent
- $854
- Homes owned by their occupants
- 80.5%
- Housing units
- 4,830
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 60523?
1,419 business establishments had a location in this ZIP code in 2023, 28 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services268
- Health care and social assistance215
- Finance and insurance176
- Retail trade150
- Real estate and rental and leasing111
- Administrative and support and waste management and remediation services81
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 60523?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 60521 | Hinsdale | 18,056 | $249k | 2.8 mi |
| 60181 | Villa Park | 30,346 | $92k | 3.0 mi |
| 60559 | Westmont | 24,231 | $91k | 3.1 mi |
| 60154 | Westchester | 16,436 | $99k | 3.4 mi |
| 60526 | La Grange Park | 13,459 | $120k | 3.6 mi |
| 60515 | Downers Grove | 29,762 | $123k | 4.1 mi |
| 60126 | Elmhurst | 47,516 | $148k | 4.2 mi |
| 60148 | Lombard | 52,596 | $101k | 4.4 mi |
| 60514 | Clarendon Hills | 9,918 | $119k | 2.8 mi (near) |
| 60162 | Hillside | 8,084 | $72k | 3.4 mi (near) |
| 60558 | Western Springs | 13,446 | $230k | 3.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.