10 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 26415 | Pennsboro | 3,308 |
| 26362 | Harrisville | 3,270 |
| 26337 | Cairo | 806 |
| 26346 | Ellenboro | 675 |
| 26161 | Petroleum | 415 |
| 26325 | Auburn | 221 |
| 26421 | Pullman | 198 |
| 26178 | Smithville | 184 |
| 26148 | Macfarlan | 164 |
| 26327 | Berea | 51 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Ritchie County, West Virginia (US Census).