This table ranks all 15 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 45828 | Coldwater | 6,555 |
| 3 | ZIP 45846 | Fort Recovery | 4,694 |
| 4 | ZIP 45869 | New Bremen | 4,451 |
| 5 | ZIP 45887 | Spencerville | 4,404 |
| 6 | ZIP 45883 | Saint Henry | 3,849 |
| 7 | ZIP 45845 | Fort Loramie | 3,276 |
| 8 | ZIP 45882 | Rockford | 2,865 |
| 9 | ZIP 45860 | Maria Stein | 2,618 |
| 10 | ZIP 45862 | Mendon | 1,314 |
| 11 | ZIP 45898 | Willshire | 779 |
| 12 | ZIP 45894 | Venedocia | 679 |
| 13 | ZIP 45826 | Chickasaw | 302 |
| 14 | ZIP 45310 | Burkettsville | 292 |
| 15 | ZIP 45866 | Montezuma | 104 |