| City : | Walnut Grove |
| County : | Hardin County |
| State : | Tennessee (TN) |
| Land Area : | 5.76 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 35.0479113 |
| Longitude : | -88.0641399 |
| Population (2010): | 396 |
| Population Estimate (2012) : | 279 |
| Population Density : | 68.79/sq mi |
| Housing Units (2012) : | 179 |
| Median Household Income (2012) : | $44,875 (Tennessee : $44,140, USA : $53,046) |
| Median Family Income (2012) : | $46,648 (Tennessee : $54,737, USA : $64,585) |
| Median House Price (2012) : | $118,800 (Tennessee : $138,700, USA : $181,400) |