This table ranks all 17 ZIP codes in the Urbana, OH MSA by estimated 2022 population, from highest to lowest.
| # | ZIP Code | Place Name | Population (2022) |
|---|---|---|---|
| 1 | ZIP 45365 | Sidney | 29,336 |
| 2 | ZIP 45356 | Piqua | 24,926 |
| 3 | ZIP 45865 | Minster | 5,437 |
| 4 | ZIP 45302 | Anna | 4,622 |
| 5 | ZIP 45869 | New Bremen | 4,451 |
| 6 | ZIP 45845 | Fort Loramie | 3,276 |
| 7 | ZIP 45306 | Botkins | 2,184 |
| 8 | ZIP 45871 | New Knoxville | 2,030 |
| 9 | ZIP 45334 | Jackson Center | 1,952 |
| 10 | ZIP 45363 | Russia | 1,893 |
| 11 | ZIP 45333 | Houston | 1,607 |
| 12 | ZIP 43343 | Quincy | 1,124 |
| 13 | ZIP 45317 | Conover | 922 |
| 14 | ZIP 45340 | Maplewood | 384 |
| 15 | ZIP 45360 | Port Jefferson | 379 |
| 16 | ZIP 45353 | Pemberton | 151 |
| 17 | ZIP 45336 | Kettlersville | 89 |