There are 28 zip codes in Madison County, Illinois. The most populated is 62040, located in Granite City. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 62040 | 40,716 | Granite City |
| 62025 | 35,947 | Edwardsville |
| 62234 | 32,491 | Collinsville |
| 62002 | 30,166 | Alton |
| 62249 | 16,649 | Highland |
| 62035 | 16,172 | Godfrey |
| 62294 | 15,289 | Troy |
| 62034 | 14,497 | Glen Carbon |
| 62010 | 11,133 | Bethalto |
| 62095 | 10,801 | Wood River |
| 62024 | 9,350 | East Alton |
| 62062 | 8,461 | Maryville |
| 62060 | 3,534 | Madison |
| 62018 | 2,954 | Cottage Hills |
| 62281 | 2,811 | Saint Jacob |
| 62097 | 2,723 | Worden |
| 62087 | 2,121 | South Roxana |
| 62067 | 2,106 | Moro |
| 62001 | 1,766 | Alhambra |
| 62061 | 1,672 | Marine |
| 62048 | 1,626 | Hartford |
| 62084 | 1,601 | Roxana |
| 62074 | 1,213 | New Douglas |
| 62026 | 1,054 | Edwardsville |
| 62090 | 1,053 | Venice |
| 62021 | 925 | Dorsey |
| 62046 | 919 | Hamel |
| 62058 | 770 | Livingston |