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> Washington > Zip Code 99354
| Zip Code : | 99354 |
| City : | Richland city |
| County : | Benton County |
| State : | Washington (WA) |
| Land Area : | 20.31 sq mi |
| Water Area : | 0.08 sq mi |
| Latitude : | 46.3316076 |
| Longitude : | -119.3027156 |
| Population (2010): | 21,343 |
| Population Estimate (2012) : | 21,173 |
| Population Density : | 1,050.90/sq mi |
| Housing Units (2012) : | 9,384 |
| Median Household Income (2012) : | $60,599 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $75,796 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $175,500 (Washington : $272,900, USA : $181,400) |