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| City : | Sumner City |
| County : | Gilchrist County, Pierce County |
| State : | Washington (WA) |
| Land Area : | 7.51 sq mi |
| Water Area : | 0.11 sq mi |
| Latitude : | 47.2248304 |
| Longitude : | -122.2363016 |
| Population (2010): | 9,451 |
| Population Estimate (2012) : | 9,459 |
| Population Density : | 1,258.81/sq mi |
| Housing Units (2012) : | 4,279 |
| Median Household Income (2012) : | $51,692 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $72,346 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $260,900 (Washington : $272,900, USA : $181,400) |