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| City : | Rio Oso |
| County : | Sutter County |
| State : | California (CA) |
| Land Area : | 6.53 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 38.9517570 |
| Longitude : | -121.5310369 |
| Population (2010): | 356 |
| Population Estimate (2012) : | 322 |
| Population Density : | 54.49/sq mi |
| Housing Units (2012) : | 140 |
| Median Household Income (2012) : | $88,846 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $89,808 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $370,800 (California : $383,900, USA : $181,400) |
Rio Oso Zip Codes
| 95674 (935) |