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> Washington > Peaceful Valley
| City : | Peaceful Valley |
| County : | Garrett County, Nye County, Palm Beach County, Whatcom County |
| State : | Washington (WA) |
| Land Area : | 16.96 sq mi |
| Water Area : | 0.05 sq mi |
| Latitude : | 48.9422562 |
| Longitude : | -122.1407017 |
| Population (2010): | 3,324 |
| Population Estimate (2012) : | 3,889 |
| Population Density : | 196.01/sq mi |
| Housing Units (2012) : | 1,488 |
| Median Household Income (2012) : | $42,222 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $50,273 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $140,000 (Washington : $272,900, USA : $181,400) |