Northumberland County, Pennsylvania ZIP Codes
- ZIP records
22 - Cities represented
22 - Sum of listed ZIP population estimates
83,042
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 17801 | Sunbury | 16,429 |
| 2 | 17847 | Milton | 11,260 |
| 3 | 17866 | Coal Township | 9,769 |
| 4 | 17872 | Shamokin | 8,894 |
| 5 | 17857 | Northumberland | 7,671 |
| 6 | 17851 | Mount Carmel | 7,234 |
| 7 | 17777 | Watsontown | 7,030 |
| 8 | 17834 | Kulpmont | 3,480 |
| 9 | 17860 | Paxinos | 2,332 |
| 10 | 17830 | Herndon | 1,938 |
Cities in Northumberland County
- Coal Township
- Dalmatia
- Dewart
- Dornsife
- Herndon
- Kulpmont
- Leck Kill
- Locust Gap
- Marion Heights
- McEwensville
- Milton
- Montandon
- Mount Carmel
- Northumberland
- Paxinos
- Potts Grove
- Rebuck
- Riverside
- Shamokin
- Sunbury
- Trevorton
- Watsontown
ZIP Directory
- ZIP 17017
- ZIP 17730
- ZIP 17749
- ZIP 17777
- ZIP 17801
- ZIP 17823
- ZIP 17830
- ZIP 17832
- ZIP 17834
- ZIP 17836
- ZIP 17840
- ZIP 17847
- ZIP 17850
- ZIP 17851
- ZIP 17857
- ZIP 17860
- ZIP 17865
- ZIP 17866
- ZIP 17867
- ZIP 17868
- ZIP 17872
- ZIP 17881
Browse all ZIP data for Pennsylvania
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.