16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 45331 | Greenville | 22,298 |
| 45304 | Arcanum | 7,624 |
| 45380 | Versailles | 5,552 |
| 45308 | Bradford | 4,376 |
| 45390 | Union City | 3,349 |
| 45303 | Ansonia | 2,169 |
| 45346 | New Madison | 2,022 |
| 45362 | Rossburg | 1,164 |
| 45348 | New Weston | 817 |
| 45388 | Yorkshire | 727 |
| 45332 | Hollansburg | 602 |
| 45328 | Gettysburg | 538 |
| 45351 | Osgood | 384 |
| 45358 | Pitsburg | 313 |
| 45352 | Palestine | 177 |
| 45350 | North Star | 69 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Darke County, Ohio (US Census).