100 Smallest ZIP Codes in the United States by Population in Northumberland County, Pennsylvania
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Northumberland County, Pennsylvania.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 17865 | POTTS GROVE | PA | 33 |
| 2 | 17730 | DEWART | PA | 47 |
| 3 | 17867 | REBUCK | PA | 191 |
| 4 | 17836 | LECK KILL | PA | 224 |
| 5 | 17749 | MC EWENSVILLE | PA | 274 |
| 6 | 17840 | LOCUST GAP | PA | 363 |
| 7 | 17850 | MONTANDON | PA | 617 |
| 8 | 17832 | MARION HEIGHTS | PA | 654 |
| 9 | 17868 | RIVERSIDE | PA | 1,057 |
| 10 | 17823 | DORNSIFE | PA | 1,304 |
| 11 | 17881 | TREVORTON | PA | 1,439 |
| 12 | 17017 | DALMATIA | PA | 1,516 |
| 13 | 17830 | HERNDON | PA | 1,971 |
| 14 | 17772 | TURBOTVILLE | PA | 2,453 |
| 15 | 17860 | PAXINOS | PA | 2,485 |
| 16 | 17834 | KULPMONT | PA | 3,498 |
| 17 | 17824 | ELYSBURG | PA | 3,718 |
| 18 | 17777 | WATSONTOWN | PA | 6,709 |
| 19 | 17851 | MOUNT CARMEL | PA | 7,232 |
| 20 | 17857 | NORTHUMBERLAND | PA | 7,708 |
| 21 | 17872 | SHAMOKIN | PA | 9,157 |
| 22 | 17866 | COAL TOWNSHIP | PA | 9,905 |
| 23 | 17847 | MILTON | PA | 11,479 |
| 24 | 17801 | SUNBURY | PA | 16,236 |