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| City : | Maple Valley City |
| County : | Garvin County, Hidalgo County, King County, Mohave County, Russell County |
| State : | Washington (WA) |
| Land Area : | 5.72 sq mi |
| Water Area : | 0.18 sq mi |
| Latitude : | 47.3671468 |
| Longitude : | -122.0348152 |
| Population (2010): | 22,684 |
| Population Estimate (2012) : | 22,663 |
| Population Density : | 3,965.55/sq mi |
| Housing Units (2012) : | 7,997 |
| Median Household Income (2012) : | $98,604 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $104,711 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $319,900 (Washington : $272,900, USA : $181,400) |