| City : | Mercer Borough |
| County : | Mercer County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 1.14 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.2265157 |
| Longitude : | -80.2363480 |
| | |
| Population (2010): | 2,002 |
| Population Estimate (2012) : | 2,046 |
| Population Density : | 1,757.95/sq mi |
| Housing Units (2012) : | 998 |
| Median Household Income (2012) : | $38,250 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $55,455 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $105,700 (Pennsylvania : $164,900, USA : $181,400) |