30 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 60440 | Bolingbrook | 51,940 |
| 60435 | Joliet | 48,167 |
| 60586 | Plainfield | 47,834 |
| 60564 | Naperville | 47,016 |
| 60446 | Romeoville | 41,672 |
| 60451 | New Lenox | 37,361 |
| 60441 | Lockport | 36,844 |
| 60423 | Frankfort | 32,836 |
| 60544 | Plainfield | 27,306 |
| 60431 | Joliet | 27,138 |
| 60585 | Plainfield | 25,960 |
| 60448 | Mokena | 24,405 |
| 60491 | Homer Glen | 22,757 |
| 60490 | Bolingbrook | 22,156 |
| 60432 | Joliet | 20,465 |
| 60404 | Shorewood | 20,385 |
| 60436 | Joliet | 19,423 |
| 60403 | Crest Hill | 18,371 |
| 60503 | Aurora | 16,789 |
| 60433 | Joliet | 16,382 |
| 60417 | Crete | 14,901 |
| 60410 | Channahon | 14,239 |
| 60442 | Manhattan | 13,753 |
| 60481 | Wilmington | 11,195 |
| 60449 | Monee | 9,477 |
| 60401 | Beecher | 7,647 |
| 60484 | University Park | 6,762 |
| 60468 | Peotone | 5,809 |
| 60408 | Braidwood | 5,327 |
| 60421 | Elwood | 3,649 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 30 ZCTAs in Will County, Illinois (US Census).