Zip Code 60559 — Westmont, IL

ZIP Code 60559 is associated with Westmont, IL, in DuPage County. The listed population estimate is 24,231; estimated density is 1,992.5 people per square mile. Among records with population estimates, it ranks #22 of 37 in DuPage County and #198 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.794960, -87.974640)

Data MetricLocal Statistic
Postal / Zip Code60559
Primary CityWestmont
State / ProvinceIL
CountyDuPage
Total Population24,231
Population Density1,992.5 people/sq mi
TimezoneAmerica/Chicago

How 60559 Compares

MetricZIP 60559DuPage County recordsIL records
Population estimate24,231997,889 (sum)12,694,745 (sum)
Population Density1,992.5 /sq mi----
County population rank#22 of 37----
State population rank#198 of 1,390----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 60514Clarendon Hills0.9 mi9,918
ZIP 60521Hinsdale2.4 mi18,056
ZIP 60515Downers Grove2.8 mi29,762
ZIP 60516Downers Grove3.0 mi28,062
ZIP 60523Oak Brook3.1 mi10,144

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →