| Index | Walnut Grove CDP (Hardin County) | Tennessee | National |
| Income per capita | $113,074 | $39,391 | $44,883 |
| Median household income | $0 | $70,292 | $81,333 |
| Median income owner occupied | $0 | $88,122 | $106,172 |
| Median income renter occupied | $0 | $42,945 | $52,080 |
| Median earnings male | $0 | $47,853 | $54,343 |
| Median earnings female | $0 | $35,679 | $38,439 |
| Unemployment rate | 0.0% | 4.8% | 4.9% |
| Poverty level | 0.0% | 17.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 74.1% | 0.0% |
| Financial & insurance services | 0.0% | 63.6% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 25.9% | 0.0% |
| Education, health & social services | 0.0% | 16.7% |
| Other | 0.0% | 0.0% |
| City | Population | Household Income | National Avg. |
| Pleasant View, TN | 4,781 | $130,703 | 60.7% |
| Walnut Grove, TN | 966 | $119,788 | 47.3% |
| Coopertown, TN | 4,655 | $115,491 | 42.0% |
| Clarksville, TN | 160,664 | $84,368 | 3.7% |
| Adams, TN | 623 | $80,474 | 1.1% |
| Walnut Grove CDP (Hardin County), TN | 261 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| McIntosh, AL | 261 | $110,427 | 35.8% |
| Ovid, CO | 261 | $39,824 | 51.0% |
| Lava Hot Springs, ID | 261 | $56,806 | 30.2% |
| Fulton, IN | 261 | $56,719 | 30.3% |
| Pine Village, IN | 261 | $54,786 | 32.6% |
| Walnut Grove CDP (Hardin County), TN | 261 | $0 | 100.0% |