Zip Code 62239 — Dupo, IL

ZIP Code 62239 is associated with Dupo, IL, in St. Clair County. The listed population estimate is 4,232; estimated density is 191.2 people per square mile. Among records with population estimates, it ranks #19 of 27 in St. Clair County and #512 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.528000, -90.180300)

Data MetricLocal Statistic
Postal / Zip Code62239
Primary CityDupo
State / ProvinceIL
CountySt. Clair
Total Population4,232
Population Density191.2 people/sq mi
TimezoneAmerica/Chicago

How 62239 Compares

MetricZIP 62239St. Clair County recordsIL records
Population estimate4,232247,743 (sum)12,694,745 (sum)
Population Density191.2 /sq mi----
County population rank#19 of 27----
State population rank#512 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 62240East Carondelet1.7 mi1,796
ZIP 62206East Saint Louis2.8 mi12,959
ZIP 62207East Saint Louis4.8 mi6,984
ZIP 62205East Saint Louis6.3 mi6,459
ZIP 62260Millstadt6.4 mi6,668

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 →