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| City : | Rio Dell City |
| County : | Humboldt County, Mercer County, Morton County, Walsh County, Washington County |
| State : | California (CA) |
| Land Area : | 2.28 sq mi |
| Water Area : | 0.14 sq mi |
| Latitude : | 40.4955909 |
| Longitude : | -124.1149295 |
| Population (2010): | 3,368 |
| Population Estimate (2012) : | 3,357 |
| Population Density : | 1,475.91/sq mi |
| Housing Units (2012) : | 1,442 |
| Median Household Income (2012) : | $42,443 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $42,188 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $224,100 (California : $383,900, USA : $181,400) |