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| City : | Martell |
| County : | Amador County, Lawrence County, Santa Fe County |
| State : | California (CA) |
| Land Area : | 2.34 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 38.3620447 |
| Longitude : | -120.8030768 |
| Population (2010): | 282 |
| Population Estimate (2012) : | 144 |
| Population Density : | 120.70/sq mi |
| Housing Units (2012) : | 114 |
| Median Household Income (2012) : | $13,649 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $0 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $207,400 (California : $383,900, USA : $181,400) |