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> Washington > Zip Code 99350
| Zip Code : | 99350 |
| City : | Prosser city |
| County : | Benton County, Klickitat County, Yakima County |
| State : | Washington (WA) |
| Land Area : | 571.46 sq mi |
| Water Area : | 0.85 sq mi |
| Latitude : | 46.1832921 |
| Longitude : | -119.6959428 |
| Population (2010): | 12,979 |
| Population Estimate (2012) : | 12,962 |
| Population Density : | 22.71/sq mi |
| Housing Units (2012) : | 4,475 |
| Median Household Income (2012) : | $53,260 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $62,741 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $172,600 (Washington : $272,900, USA : $181,400) |