This table ranks all 19 ZIP codes in the Wapakoneta, OH MSA by estimated 2022 population, from highest to lowest.
| # | ZIP Code | Place Name | Population (2022) |
|---|---|---|---|
| 1 | ZIP 45822 | Celina | 19,779 |
| 2 | ZIP 45895 | Wapakoneta | 17,655 |
| 3 | ZIP 45885 | Saint Marys | 12,926 |
| 4 | ZIP 45806 | Lima | 11,282 |
| 5 | ZIP 45865 | Minster | 5,437 |
| 6 | ZIP 45869 | New Bremen | 4,451 |
| 7 | ZIP 45887 | Spencerville | 4,404 |
| 8 | ZIP 43331 | Lakeview | 4,247 |
| 9 | ZIP 45850 | Harrod | 3,580 |
| 10 | ZIP 45845 | Fort Loramie | 3,276 |
| 11 | ZIP 45306 | Botkins | 2,184 |
| 12 | ZIP 45871 | New Knoxville | 2,030 |
| 13 | ZIP 45334 | Jackson Center | 1,952 |
| 14 | ZIP 45896 | Waynesfield | 1,684 |
| 15 | ZIP 45862 | Mendon | 1,314 |
| 16 | ZIP 45870 | New Hampshire | 449 |
| 17 | ZIP 45888 | Uniopolis | 319 |
| 18 | ZIP 45819 | Buckland | 258 |
| 19 | ZIP 45884 | Saint Johns | 178 |