Zip Code 62239 — Dupo, IL
62239 is a ZIP Code associated with Dupo, IL, located within St. Clair. The postal region supports an estimated population of 4,232 residents across Data Pending housing units, with a population density of 191.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (38.528000, -90.180300)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 62239 |
| Primary City | Dupo |
| State / Province | IL |
| County | St. Clair |
| Total Population | 4,232 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 191.2 people/sq mi |
| Timezone | America/Chicago |
How 62239 Compares
| Metric | ZIP 62239 | St. Clair County | IL State Average |
|---|
| Population | 4,232 | 247,743 | 12,694,745 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 191.2 /sq mi | -- | -- |
Nearby ZIP Codes
| ZIP Code | City | Distance | Population | Median Income |
|---|
| Zip 62240 | East Carondelet | 1.7 mi | 1,796 | N/A |
| Zip 62206 | East Saint Louis | 2.8 mi | 12,959 | N/A |
| Zip 62207 | East Saint Louis | 4.8 mi | 6,984 | N/A |
| Zip 62205 | East Saint Louis | 6.3 mi | 6,459 | N/A |
| Zip 62260 | Millstadt | 6.4 mi | 6,668 | N/A |
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 →