| City : | Loudon |
| County : | Caswell County, Dickinson County, Litchfield County, Merrimack County, Mingo County, Rio Arriba County |
| State : | New Hampshire (NH) |
| | |
| Land Area : | 1.66 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 43.2827596 |
| Longitude : | -71.4646940 |
| | |
| Population (2010): | 559 |
| Population Estimate (2012) : | 675 |
| Population Density : | 336.06/sq mi |
| Housing Units (2012) : | 256 |
| Median Household Income (2012) : | $88,068 (New Hampshire : $64,925, USA : $53,046) |
| Median Family Income (2012) : | $93,587 (New Hampshire : $79,488, USA : $64,585) |
| Median House Price (2012) : | $230,400 (New Hampshire : $245,600, USA : $181,400) |