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> Washington > Walnut Grove
| City : | Walnut Grove |
| County : | Clark County |
| State : | Washington (WA) |
| Land Area : | 3.83 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 45.6765489 |
| Longitude : | -122.6066428 |
| Population (2010): | 9,790 |
| Population Estimate (2012) : | 9,911 |
| Population Density : | 2,556.97/sq mi |
| Housing Units (2012) : | 4,135 |
| Median Household Income (2012) : | $54,760 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $65,188 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $212,900 (Washington : $272,900, USA : $181,400) |