18 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 62626 | Carlinville | 7,876 |
| 62088 | Staunton | 6,400 |
| 62033 | Gillespie | 4,294 |
| 62690 | Virden | 3,838 |
| 62014 | Bunker Hill | 3,669 |
| 62640 | Girard | 3,391 |
| 62069 | Mount Olive | 2,897 |
| 62009 | Benld | 1,723 |
| 62685 | Shipman | 1,670 |
| 62674 | Palmyra | 1,447 |
| 62630 | Chesterfield | 924 |
| 62667 | Modesto | 569 |
| 62093 | Wilsonville | 487 |
| 62649 | Hettick | 369 |
| 62079 | Piasa | 292 |
| 62085 | Sawyerville | 193 |
| 62672 | Nilwood | 151 |
| 62023 | Eagarville | 139 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 18 ZCTAs in Macoupin County, Illinois (US Census).