| City : | Somersworth City |
| County : | Strafford County |
| State : | New Hampshire (NH) |
| | |
| Land Area : | 9.79 sq mi |
| Water Area : | 0.20 sq mi |
| Latitude : | 43.2534762 |
| Longitude : | -70.8879437 |
| | |
| Population (2010): | 11,766 |
| Population Estimate (2012) : | 11,782 |
| Population Density : | 1,201.72/sq mi |
| Housing Units (2012) : | 5,199 |
| Median Household Income (2012) : | $53,354 (New Hampshire : $64,925, USA : $53,046) |
| Median Family Income (2012) : | $69,578 (New Hampshire : $79,488, USA : $64,585) |
| Median House Price (2012) : | $224,700 (New Hampshire : $245,600, USA : $181,400) |