| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Northumberland | County | 96,771 | 94,867 | 94,528 | o |
| Pennsylvania | Federal State | 11,882,842 | 12,280,548 | 12,702,379 |
| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Atlas | Census-Designated Place | ... | ... | 809 | o |
| Dalmatia | Census-Designated Place | ... | ... | 488 | o |
| Dewart | Census-Designated Place | ... | ... | 1,471 | o |
| Edgewood | Census-Designated Place | 2,719 | 2,619 | 2,384 | o |
| Elysburg | Census-Designated Place | 1,890 | 2,067 | 2,194 | o |
| Fairview-Ferndale | Census-Designated Place | 2,895 | 2,411 | 2,139 | o |
| Herndon | Borough | 422 | 383 | 324 | o |
| Kapp Heights | Census-Designated Place | ... | ... | 863 | o |
| Kulpmont | Borough | 3,238 | 2,985 | 2,924 | o |
| Marion Heights | Borough | 837 | 735 | 611 | o |
| Marshallton | Census-Designated Place | 1,482 | 1,437 | 1,441 | o |
| McEwensville | Borough | 276 | 314 | 279 | o |
| Milton | Borough | 7,267 | 6,624 | 7,042 | o |
| Montandon | Census-Designated Place | ... | ... | 903 | o |
| Mount Carmel | Borough | 7,254 | 6,390 | 5,893 | o |
| Northumberland | Borough | 3,945 | 3,714 | 3,804 | o |
| Ranshaw | Census-Designated Place | ... | ... | 510 | o |
| Riverside | Borough | 1,991 | 1,861 | 1,932 | o |
| Shamokin | City | 9,228 | 8,009 | 7,374 | o |
| Snydertown | Borough | 416 | 357 | 339 | o |
| Strong | Census-Designated Place | ... | ... | 147 | o |
| Sunbury | City | 11,600 | 10,610 | 9,905 | o |
| Tharptown (Uniontown) | Census-Designated Place | ... | ... | 498 | o |
| Trevorton | Census-Designated Place | 2,058 | 2,010 | 1,834 | o |
| Turbotville | Borough | 676 | 691 | 705 | o |
| Watsontown | Borough | 2,431 | 2,255 | 2,351 | o |
Source: US Census Bureau (web).
2011-04-03WWW.CITYPOPULATION.DE