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> Washington > Zip Code 98570
| Zip Code : | 98570 |
| City : | Onalaska |
| County : | Lewis County |
| State : | Washington (WA) |
| Land Area : | 118.77 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 46.6307129 |
| Longitude : | -122.6509470 |
| Population (2010): | 3,889 |
| Population Estimate (2012) : | 3,801 |
| Population Density : | 32.75/sq mi |
| Housing Units (2012) : | 1,660 |
| Median Household Income (2012) : | $51,094 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $61,481 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $182,700 (Washington : $272,900, USA : $181,400) |