12 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 17870 | Selinsgrove | 14,490 |
| 17842 | Middleburg | 8,266 |
| 17889 | Winfield | 3,039 |
| 17853 | Mount Pleasant Mills | 2,993 |
| 17864 | Port Trevorton | 2,495 |
| 17813 | Beavertown | 2,028 |
| 17086 | Richfield | 1,982 |
| 17876 | Shamokin Dam | 1,827 |
| 17812 | Beaver Springs | 1,378 |
| 17827 | Freeburg | 877 |
| 17862 | Penns Creek | 530 |
| 17861 | Paxtonville | 152 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Snyder County, Pennsylvania (US Census).