14 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 62656 | Lincoln | 18,234 |
| 62548 | Mount Pulaski | 2,090 |
| 61723 | Atlanta | 2,005 |
| 62634 | Elkhart | 1,263 |
| 62643 | Hartsburg | 797 |
| 62635 | Emden | 661 |
| 62518 | Chestnut | 509 |
| 62666 | Middletown | 485 |
| 62543 | Latham | 477 |
| 62512 | Beason | 446 |
| 62671 | New Holland | 362 |
| 62541 | Lake Fork | 54 |
| 61751 | Lawndale | 32 |
| 62519 | Cornland | 24 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 14 ZCTAs in Logan County, Illinois (US Census).