15 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 16301 | Oil City | 15,233 |
| 16323 | Franklin | 14,353 |
| 16354 | Titusville | 9,989 |
| 16373 | Emlenton | 3,254 |
| 16346 | Seneca | 3,201 |
| 16342 | Polk | 2,126 |
| 16341 | Pleasantville | 1,761 |
| 16374 | Kennerdell | 1,672 |
| 16364 | Venus | 1,306 |
| 16317 | Cooperstown | 1,220 |
| 16362 | Utica | 1,066 |
| 16319 | Cranberry | 961 |
| 16343 | Reno | 670 |
| 16372 | Clintonville | 517 |
| 16344 | Rouseville | 460 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 15 ZCTAs in Venango County, Pennsylvania (US Census).