| Zip Code | City | Population ↓ |
|---|---|---|
| 62439 | Lawrenceville | 7,005 |
| 62466 | Sumner | 4,171 |
| 62417 | Bridgeport | 2,807 |
| 62460 | Saint Francisville | 1,171 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Lawrence County, Illinois (US Census).