| City : | Union |
| County : | Mason County, Ouachita Parish |
| State : | Washington (WA) |
| | |
| Land Area : | 1.62 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 47.3475079 |
| Longitude : | -123.0951820 |
| | |
| Population (2010): | 631 |
| Population Estimate (2012) : | 554 |
| Population Density : | 390.13/sq mi |
| Housing Units (2012) : | 412 |
| Median Household Income (2012) : | $49,813 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $65,994 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $309,500 (Washington : $272,900, USA : $181,400) |