USA
> New Hampshire > Zip Code 03820
| Zip Code : | 03820 |
| City : | Dover city |
| County : | Strafford County |
| State : | New Hampshire (NH) |
| Land Area : | 27.77 sq mi |
| Water Area : | 2.51 sq mi |
| Latitude : | 43.1906655 |
| Longitude : | -70.8876614 |
| Population (2010): | 30,039 |
| Population Estimate (2012) : | 30,041 |
| Population Density : | 1,081.69/sq mi |
| Housing Units (2012) : | 13,705 |
| Median Household Income (2012) : | $55,906 (New Hampshire : $64,925, USA : $53,046) |
| Median Family Income (2012) : | $72,831 (New Hampshire : $79,488, USA : $64,585) |
| Median House Price (2012) : | $242,900 (New Hampshire : $245,600, USA : $181,400) |