ZIP Code 60523 - Oak Brook Illinois
Overview
ZIP Code 60523 is located in Oak Brook Illinois. Portions of 60523 are also in Downers Grove and Elmhurst and Hinsdale and Westchester and Westmont and York Township (DuPage County) and Proviso Township and Downers Grove Township. 60523 is primarily within DuPage County, with some portions in Cook County. Regionally, 60523 is located in Metro Chicago.
ZIP Code 60523 Quick Stats
| ZIP Code Name | Oak Brook |
| Primary County | DuPage County |
| ZIP Code Type | Standard |
| Population (2022) | 10,179 |
| Area Code(s) | 331 / 464 / 630 / 708 |
| Current Time | CDT |
ZIP Code 60523 Map
60523 Demographics
60523 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Illinois based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 60523 is White. The majority race/ethnicity attending public schools in 60523 is Asian. The current unemployment level in 60523 is 5.2%.
| Population | 10,179 |
| Population Growth Rate | 0% |
| Population Density | 1,010 People per Square Mile |
| Total Households | 4,240 |
| Percentage High Income Households | 25% |
| Median Household Income (2021) | $103,494 |
| Average Adjusted Gross Income (2021) | $996,930 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 10% |
| Majority Race/Ethnicity | White - 66.1% |
| Public School Majority Race/Ethnicity | Asian - 53.91% |
60523 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 6,643 | 66.1% |
| Black | 172 | 1.71% |
| Hispanic | 400 | 3.98% |
| Asian | 2,835 | 28.21% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
60523 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 183 | 40.4% |
| Black | 5 | 1.1% |
| Hispanic | 9 | 1.99% |
| Asian | 255 | 56.29% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 1 | 0.22% |
60523 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 437 | 5.99% |
| Bachelor Degree | 1,828 | 25.04% |
| High School Diploma | 1,287 | 17.63% |
| No High School Diploma | 118 | 1.62% |
| GED or Alternate | 21 | 0.29% |
| 1 or More Years of College | 1,005 | 13.77% |
| Associates Degree | 225 | 3.08% |
| Masters Degree | 967 | 13.25% |
| Professional Degree | 1,148 | 15.73% |
| Doctorate Degree | 264 | 3.62% |
60523 Geography
| Coordinates | 41.83694839, -87.94937897 |
| Adjacent ZIP Codes | |
| Cities/Towns in 60523 | |
| Neighborhoods in 60523 | |
| Region | Metro Chicago |
| Metropolitan/Micropolitan Stat Area | Chicago-Naperville-Elgin, IL-IN-WI |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 10 Square Miles |
60523 Schools
| School Districts in 60523 | |
| Elementary Schools in 60523 | |
| Middle Schools in 60523 | |
| High Schools in 60523 |
60523 Weather and Climate Data
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 54f - Valparaiso-Wheaton Morainal Complex | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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