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> Washington > Zip Code 98581
| Zip Code : | 98581 |
| City : | Ryderwood |
| County : | Cowlitz County |
| State : | Washington (WA) |
| Land Area : | 29.38 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 46.3578737 |
| Longitude : | -123.0673141 |
| Population (2010): | 424 |
| Population Estimate (2012) : | 239 |
| Population Density : | 14.43/sq mi |
| Housing Units (2012) : | 285 |
| Median Household Income (2012) : | $30,156 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $33,125 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $93,300 (Washington : $272,900, USA : $181,400) |