| City : | Northumberland Borough |
| County : | Northumberland County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 1.51 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.8969756 |
| Longitude : | -76.7946435 |
| | |
| Population (2010): | 3,804 |
| Population Estimate (2012) : | 3,799 |
| Population Density : | 2,524.43/sq mi |
| Housing Units (2012) : | 1,839 |
| Median Household Income (2012) : | $44,476 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $46,833 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $112,700 (Pennsylvania : $164,900, USA : $181,400) |