| Zip Code | City | Population ↓ |
|---|---|---|
| 62656 | Lincoln | 18,216 |
| 61723 | Atlanta | 2,498 |
| 62548 | Mount Pulaski | 2,202 |
| 62634 | Elkhart | 984 |
| 62643 | Hartsburg | 696 |
| 62635 | Emden | 671 |
| 62543 | Latham | 652 |
| 62671 | New Holland | 530 |
| 62666 | Middletown | 517 |
| 62512 | Beason | 502 |
| 62518 | Chestnut | 181 |
| 61751 | Lawndale | 60 |
| 62519 | Cornland | 46 |
| 62541 | Lake Fork | 46 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 14 ZCTAs in Logan County, Illinois (US Census).