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 43078 | Urbana | 20,269 |
| 3 | ZIP 45502 | Springfield | 17,715 |
| 4 | ZIP 45344 | New Carlisle | 16,747 |
| 5 | ZIP 43072 | Saint Paris | 5,380 |
| 6 | ZIP 43044 | Mechanicsburg | 5,254 |
| 7 | ZIP 43357 | West Liberty | 4,469 |
| 8 | ZIP 43318 | De Graff | 4,185 |
| 9 | ZIP 43060 | North Lewisburg | 2,669 |
| 10 | ZIP 43009 | Cable | 2,140 |
| 11 | ZIP 43045 | Milford Center | 1,775 |
| 12 | ZIP 43343 | Quincy | 1,124 |
| 13 | ZIP 45317 | Conover | 922 |
| 14 | ZIP 43084 | Woodstock | 811 |
| 15 | ZIP 45389 | Christiansburg | 594 |
| 16 | ZIP 43070 | Rosewood | 53 |
| 17 | ZIP 43047 | Mingo | 11 |