📍 View location on OpenStreetMap (38.511870, -89.899220)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 62221 |
| Primary City | Belleville |
| State / Province | IL |
| County | St. Clair |
| Total Population | 29,875 |
| Population Density | 329.8 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 62221 | St. Clair County records | IL records |
|---|---|---|---|
| Population estimate | 29,875 | 247,743 (sum) | 12,694,745 (sum) |
| Population Density | 329.8 /sq mi | -- | -- |
| County population rank | #2 of 27 | -- | -- |
| State population rank | #141 of 1,390 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 62225 | Scott Air Force Base | 3.1 mi | 5,242 |
| ZIP 62220 | Belleville | 5.5 mi | 19,152 |
| ZIP 62226 | Belleville | 5.7 mi | 28,255 |
| ZIP 62269 | O'Fallon | 6.0 mi | 35,923 |
| ZIP 62243 | Freeburg | 6.5 mi | 6,418 |
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 →