Zip Code | City | Population |
|---|---|---|
| 17870 | Selinsgrove | 14,347 |
| 17842 | Middleburg | 8,174 |
| 17853 | Mount Pleasant Mills | 3,165 |
| 17889 | Winfield | 2,997 |
| 17864 | Port Trevorton | 2,402 |
| 17086 | Richfield | 2,144 |
| 17813 | Beavertown | 2,048 |
| 17876 | Shamokin Dam | 2,036 |
| 17812 | Beaver Springs | 1,474 |
| 17827 | Freeburg | 837 |
| 17862 | Penns Creek | 539 |
| 17861 | Paxtonville | 125 |