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| County : | Northumberland County |
| State : | Pennsylvania (PA) |
| Land Area : | 458.37 sq mi |
| Water Area : | 19.16 sq mi |
| Latitude : | 40.8515244 |
| Longitude : | -76.7098770 |
| Population (2010): | 94,528 |
| Population Estimate (2012) : | 94,441 |
| Population Density : | 206.23/sq mi |
| Housing Units (2012) : | 45,125 |
| Median Household Income (2012) : | $40,963 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $51,386 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $97,500 (Pennsylvania : $164,900, USA : $181,400) |
Northumberland County Cities / Towns
| Atlas (809) | Dalmatia (488) | Dewart (1,471) |
| Edgewood (2,384) | Elysburg (2,194) | Fairview-ferndale (2,139) |
| Herndon Borough (324) | Kapp Heights (863) | Kulpmont Borough (2,924) |
| Mcewensville Borough (279) | Marion Heights Borough (611) | Marshallton (1,441) |
| Milton Borough (7,042) | Montandon (903) | Mount Carmel Borough (5,893) |
| Northumberland Borough (3,804) | Ranshaw (510) | Riverside Borough (1,932) |
| Shamokin City (7,374) | Snydertown Borough (339) | Strong (147) |
| Sunbury City (9,905) | Tharptown (uniontown) (498) | Trevorton (1,834) |
| Turbotville Borough (705) | Watsontown Borough (2,351) |
Northumberland County Zip Codes
| 17017 (1,755) | 17730 (257) | 17749 (244) |
| 17756 (12,408) | 17772 (2,399) | 17777 (7,056) |
| 17801 (16,671) | 17821 (18,219) | 17823 (1,273) |
| 17824 (4,115) | 17830 (1,947) | 17832 (628) |
| 17834 (3,565) | 17836 (266) | 17840 (533) |
| 17847 (12,051) | 17850 (645) | 17851 (7,841) |
| 17857 (7,505) | 17860 (1,994) | 17865 (92) |
| 17866 (10,310) | 17867 (169) | 17868 (1,052) |
| 17872 (9,943) | 17881 (1,556) | 17941 (834) |
| 17964 (798) |