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| City : | Castle Rock City |
| County : | Aroostook County, Cowlitz County |
| State : | Washington (WA) |
| Land Area : | 1.59 sq mi |
| Water Area : | 0.17 sq mi |
| Latitude : | 46.2812737 |
| Longitude : | -122.9145627 |
| Population (2010): | 1,982 |
| Population Estimate (2012) : | 2,134 |
| Population Density : | 1,248.95/sq mi |
| Housing Units (2012) : | 863 |
| Median Household Income (2012) : | $35,833 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $44,444 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $146,000 (Washington : $272,900, USA : $181,400) |