| City : | Mount Gretna Heights |
| County : | Lebanon County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 0.12 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.2487502 |
| Longitude : | -76.4664292 |
| | |
| Population (2010): | 323 |
| Population Estimate (2012) : | 152 |
| Population Density : | 2,620.82/sq mi |
| Housing Units (2012) : | 281 |
| Median Household Income (2012) : | $58,750 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $62,679 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $270,200 (Pennsylvania : $164,900, USA : $181,400) |