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> Washington > Zip Code 98611
| Zip Code : | 98611 |
| City : | Castle Rock city |
| County : | Cowlitz County |
| State : | Washington (WA) |
| Land Area : | 124.59 sq mi |
| Water Area : | 1.71 sq mi |
| Latitude : | 46.3051380 |
| Longitude : | -122.9006878 |
| Population (2010): | 9,133 |
| Population Estimate (2012) : | 9,529 |
| Population Density : | 73.31/sq mi |
| Housing Units (2012) : | 3,760 |
| Median Household Income (2012) : | $52,240 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $65,259 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $203,100 (Washington : $272,900, USA : $181,400) |