| Index | Walnut Grove | Tennessee | National |
| Median home price | $349,355 | $262,129 | $326,622 |
| Median rent asked | $0 | $1,162 | $1,444 |
| Avg. people per household | 3.3 | 2.5 | 2.6 |
| Owner occupied households | 85.0% | 66.3% | 63.6% |
| Renter occupied households | 15.0% | 33.7% | 36.4% |

| Population | Home Price | National Avg. | |
| Walnut Grove CDP (Hardin County), TN | 261 | $0 | 100% |
| Adairville, KY | 892 | $143,480 | 56% |
| Guthrie, KY | 1,350 | $200,473 | 39% |
| Cedar Hill, TN | 276 | $214,247 | 34% |
| Adams, TN | 623 | $224,846 | 31% |
| Walnut Grove, TN | 966 | $349,355 | 7% |
| Population | Home Price | National Avg. | |
| Lake View, IA | 966 | $203,148 | 38% |
| Brownsville, KY | 966 | $240,546 | 26% |
| Humphrey, NE | 966 | $320,578 | 2% |
| Iron Ridge, WI | 965 | $280,236 | 14% |
| Odessa, WA | 967 | $165,008 | 49% |
| Walnut Grove, TN | 966 | $349,355 | 7% |