Zip Code 62223 — Belleville, IL
62223 is a ZIP Code associated with Belleville, IL, located within St. Clair. The postal region supports an estimated population of 16,269 residents across Data Pending housing units, with a population density of 244.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (38.534910, -90.060270)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 62223 |
| Primary City | Belleville |
| State / Province | IL |
| County | St. Clair |
| Total Population | 16,269 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 244.6 people/sq mi |
| Timezone | America/Chicago |
How 62223 Compares
| Metric | ZIP 62223 | St. Clair County | IL State Average |
|---|
| Population | 16,269 | 247,743 | 12,694,745 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 244.6 /sq mi | -- | -- |
Nearby ZIP Codes
| ZIP Code | City | Distance | Population | Median Income |
|---|
| Zip 62226 | Belleville | 3.2 mi | 28,255 | N/A |
| Zip 62203 | East Saint Louis | 4.7 mi | 5,465 | N/A |
| Zip 62207 | East Saint Louis | 4.9 mi | 6,984 | N/A |
| Zip 62208 | Fairview Heights | 5.2 mi | 16,821 | N/A |
| Zip 62260 | Millstadt | 5.5 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 →