16 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 61554 | Pekin | 40,577 |
| 61571 | Washington | 24,470 |
| 61611 | East Peoria | 24,040 |
| 61550 | Morton | 18,792 |
| 61610 | Creve Coeur | 4,621 |
| 61568 | Tremont | 4,483 |
| 61755 | Mackinaw | 4,364 |
| 61546 | Manito | 3,849 |
| 61734 | Delavan | 2,443 |
| 61535 | Groveland | 1,748 |
| 61534 | Green Valley | 1,725 |
| 61747 | Hopedale | 1,441 |
| 61759 | Minier | 1,359 |
| 61733 | Deer Creek | 984 |
| 61564 | South Pekin | 936 |
| 61721 | Armington | 552 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 16 ZCTAs in Tazewell County, Illinois (US Census).