| City : | Mercersville |
| County : | Washington County |
| State : | Maryland (MD) |
| Land Area : | 0.32 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.4992098 |
| Longitude : | -77.7658250 |
| Population (2010): | 130 |
| Population Estimate (2012) : | 84 |
| Population Density : | 402.84/sq mi |
| Housing Units (2012) : | 66 |
| Median Household Income (2012) : | $37,875 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $92,857 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $118,800 (Maryland : $304,900, USA : $181,400) |
Mercersville Zip Codes
| 21782 (4,097) |