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> Washington > Zip Code 98022
| Zip Code : | 98022 |
| City : | Black Diamond city, Enumclaw city, Greenwater |
| County : | King County, Pierce County |
| State : | Washington (WA) |
| Land Area : | 405.92 sq mi |
| Water Area : | 2.45 sq mi |
| Latitude : | 47.2163720 |
| Longitude : | -121.9129058 |
| Population (2010): | 20,987 |
| Population Estimate (2012) : | 21,335 |
| Population Density : | 51.70/sq mi |
| Housing Units (2012) : | 9,179 |
| Median Household Income (2012) : | $68,333 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $80,589 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $305,000 (Washington : $272,900, USA : $181,400) |