| City : | Clarksville Borough |
| County : | Greene County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 0.10 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.9743959 |
| Longitude : | -80.0439020 |
| | |
| Population (2010): | 230 |
| Population Estimate (2012) : | 292 |
| Population Density : | 2,363.79/sq mi |
| Housing Units (2012) : | 86 |
| Median Household Income (2012) : | $47,548 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $48,125 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $92,900 (Pennsylvania : $164,900, USA : $181,400) |