| City : | Hartly Town |
| County : | Collier County, Elk County, Hooker County, Kent County, Montgomery County, Sweet Grass County, Umatilla County |
| State : | Delaware (DE) |
| | |
| Land Area : | 0.06 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.1683756 |
| Longitude : | -75.7123461 |
| | |
| Population (2010): | 74 |
| Population Estimate (2012) : | 42 |
| Population Density : | 1,252.65/sq mi |
| Housing Units (2012) : | 34 |
| Median Household Income (2012) : | $61,875 (Delaware : $60,119, USA : $53,046) |
| Median Family Income (2012) : | $68,750 (Delaware : $72,069, USA : $64,585) |
| Median House Price (2012) : | $197,500 (Delaware : $241,100, USA : $181,400) |