| Zip Code | City | Population ↓ |
|---|---|---|
| 43311 | Bellefontaine | 19,969 |
| 43357 | West Liberty | 4,469 |
| 43331 | Lakeview | 4,247 |
| 43318 | De Graff | 4,185 |
| 43324 | Huntsville | 2,688 |
| 43348 | Russells Point | 1,840 |
| 43360 | Zanesfield | 1,790 |
| 43347 | Rushsylvania | 1,206 |
| 43343 | Quincy | 1,124 |
| 43319 | East Liberty | 1,046 |
| 43333 | Lewistown | 884 |
| 43345 | Ridgeway | 851 |
| 43336 | Middleburg | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 13 ZCTAs in Logan County, Ohio (US Census).