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> California > South Monrovia Island
| City : | South Monrovia Island |
| County : | Los Angeles County |
| State : | California (CA) |
| Land Area : | 0.55 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 34.1234346 |
| Longitude : | -117.9958596 |
| Population (2010): | 6,777 |
| Population Estimate (2012) : | 6,140 |
| Population Density : | 12,372.26/sq mi |
| Housing Units (2012) : | 1,613 |
| Median Household Income (2012) : | $52,936 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $54,173 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $352,900 (California : $383,900, USA : $181,400) |