📍 View location on OpenStreetMap (38.939880, -90.128290)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 62002 |
| Primary City | Alton |
| State / Province | IL |
| County | Madison |
| Total Population | 29,543 |
| Population Density | 276.3 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 62002 | Madison County records | IL records |
|---|---|---|---|
| Population estimate | 29,543 | 268,375 (sum) | 12,694,745 (sum) |
| Population Density | 276.3 /sq mi | -- | -- |
| County population rank | #4 of 28 | -- | -- |
| State population rank | #145 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 62018 | Cottage Hills | 3.2 mi | 3,184 |
| ZIP 62024 | East Alton | 4.4 mi | 9,493 |
| ZIP 62010 | Bethalto | 4.5 mi | 11,028 |
| ZIP 62095 | Wood River | 6.0 mi | 10,726 |
| ZIP 62035 | Godfrey | 6.2 mi | 15,892 |
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 →