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| City : | Walnut City |
| County : | Logan County, Los Angeles County |
| State : | California (CA) |
| Land Area : | 8.99 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 34.0371955 |
| Longitude : | -117.8556059 |
| Population (2010): | 29,172 |
| Population Estimate (2012) : | 29,431 |
| Population Density : | 3,244.11/sq mi |
| Housing Units (2012) : | 8,753 |
| Median Household Income (2012) : | $102,093 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $105,166 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $626,700 (California : $383,900, USA : $181,400) |