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| City : | Mill Creek City |
| County : | Snohomish County |
| State : | Washington (WA) |
| Land Area : | 4.67 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 47.8645188 |
| Longitude : | -122.2060839 |
| Population (2010): | 18,244 |
| Population Estimate (2012) : | 18,163 |
| Population Density : | 3,906.51/sq mi |
| Housing Units (2012) : | 7,923 |
| Median Household Income (2012) : | $89,124 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $101,830 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $415,700 (Washington : $272,900, USA : $181,400) |