10 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 45895 | Wapakoneta | 17,998 |
| 45885 | Saint Marys | 12,753 |
| 45865 | Minster | 5,522 |
| 45869 | New Bremen | 4,170 |
| 45871 | New Knoxville | 2,167 |
| 45896 | Waynesfield | 1,833 |
| 45870 | New Hampshire | 445 |
| 45819 | Buckland | 226 |
| 45888 | Uniopolis | 166 |
| 45884 | Saint Johns | 141 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Auglaize County, Ohio (US Census).