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| City : | Oso |
| County : | Snohomish County |
| State : | Washington (WA) |
| Land Area : | 2.83 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 48.2874260 |
| Longitude : | -121.9251075 |
| Population (2010): | 180 |
| Population Estimate (2012) : | 83 |
| Population Density : | 63.66/sq mi |
| Housing Units (2012) : | 71 |
| Median Household Income (2012) : | $32,917 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $34,861 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $256,300 (Washington : $272,900, USA : $181,400) |
Oso Zip Codes
| 98223 (40,815) |