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> West Virginia > Zip Code 25404
| Zip Code : | 25404 |
| City : | Martinsburg city |
| County : | Berkeley County |
| State : | West Virginia (WV) |
| Land Area : | 40.02 sq mi |
| Water Area : | 0.06 sq mi |
| Latitude : | 39.4830248 |
| Longitude : | -77.8903254 |
| Population (2010): | 19,551 |
| Population Estimate (2012) : | 20,504 |
| Population Density : | 488.53/sq mi |
| Housing Units (2012) : | 8,584 |
| Median Household Income (2012) : | $48,681 (West Virginia : $40,400, USA : $53,046) |
| Median Family Income (2012) : | $57,357 (West Virginia : $51,770, USA : $64,585) |
| Median House Price (2012) : | $161,800 (West Virginia : $97,300, USA : $181,400) |