20 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 61520 | Canton | 16,098 |
| 61542 | Lewistown | 3,306 |
| 61531 | Farmington | 3,018 |
| 61427 | Cuba | 2,051 |
| 61415 | Avon | 1,646 |
| 61501 | Astoria | 1,612 |
| 61441 | Ipava | 878 |
| 61544 | London Mills | 815 |
| 61484 | Vermont | 671 |
| 61432 | Fairview | 589 |
| 61563 | Saint David | 548 |
| 61482 | Table Grove | 518 |
| 61477 | Smithfield | 503 |
| 61524 | Dunfermline | 355 |
| 61459 | Marietta | 290 |
| 61431 | Ellisville | 283 |
| 61553 | Norris | 269 |
| 61519 | Bryant | 260 |
| 61543 | Liverpool | 88 |
| 61433 | Fiatt | 23 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 20 ZCTAs in Fulton County, Illinois (US Census).