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| City : | March Arb |
| County : | Cass County, Ouray County, Riverside County |
| State : | California (CA) |
| Land Area : | 11.95 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 33.8891026 |
| Longitude : | -117.2783680 |
| Population (2010): | 1,159 |
| Population Estimate (2012) : | 968 |
| Population Density : | 96.96/sq mi |
| Housing Units (2012) : | 716 |
| Median Household Income (2012) : | $66,058 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $106,500 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $254,200 (California : $383,900, USA : $181,400) |