12 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 17870 | Selinsgrove | 14,538 |
| 17842 | Middleburg | 8,110 |
| 17853 | Mount Pleasant Mills | 3,047 |
| 17889 | Winfield | 2,906 |
| 17864 | Port Trevorton | 2,532 |
| 17813 | Beavertown | 2,138 |
| 17086 | Richfield | 1,996 |
| 17876 | Shamokin Dam | 1,840 |
| 17812 | Beaver Springs | 1,497 |
| 17827 | Freeburg | 863 |
| 17862 | Penns Creek | 437 |
| 17861 | Paxtonville | 120 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Snyder County, Pennsylvania (US Census).