10 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 44833 | Galion | 16,641 |
| 43338 | Mount Gilead | 10,394 |
| 43315 | Cardington | 6,996 |
| 43334 | Marengo | 6,339 |
| 43003 | Ashley | 3,376 |
| 43320 | Edison | 1,538 |
| 43321 | Fulton | 357 |
| 43317 | Chesterville | 215 |
| 43350 | Sparta | 167 |
| 43325 | Iberia | 17 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Morrow County, Ohio (US Census).