20 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 61520 | Canton | 16,291 |
| 61542 | Lewistown | 3,280 |
| 61531 | Farmington | 3,007 |
| 61427 | Cuba | 2,014 |
| 61501 | Astoria | 1,493 |
| 61415 | Avon | 1,459 |
| 61441 | Ipava | 945 |
| 61544 | London Mills | 784 |
| 61484 | Vermont | 738 |
| 61432 | Fairview | 544 |
| 61482 | Table Grove | 492 |
| 61477 | Smithfield | 443 |
| 61459 | Marietta | 406 |
| 61563 | Saint David | 383 |
| 61553 | Norris | 303 |
| 61524 | Dunfermline | 299 |
| 61431 | Ellisville | 279 |
| 61519 | Bryant | 235 |
| 61543 | Liverpool | 70 |
| 61433 | Fiatt | 22 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 20 ZCTAs in Fulton County, Illinois (US Census).