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> Washington > Zip Code 99171
| Zip Code : | 99171 |
| City : | St. John town |
| County : | Whitman County |
| State : | Washington (WA) |
| Land Area : | 265.76 sq mi |
| Water Area : | 3.75 sq mi |
| Latitude : | 47.0982479 |
| Longitude : | -117.6538903 |
| Population (2010): | 959 |
| Population Estimate (2012) : | 988 |
| Population Density : | 3.61/sq mi |
| Housing Units (2012) : | 523 |
| Median Household Income (2012) : | $38,542 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $50,089 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $130,100 (Washington : $272,900, USA : $181,400) |