| Index | Walnut Grove | Tennessee | National |
| Median home price | $190,000 | $146,000 | $184,700 |
| Median rent asked | $0 | $782 | $949 |
| 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 | 252 | $0 | 100% |
| Adairville, KY | 872 | $81,300 | 56% |
| Guthrie, KY | 1,301 | $108,700 | 41% |
| Cedar Hill, TN | 271 | $116,700 | 37% |
| Adams, TN | 602 | $122,800 | 34% |
| Walnut Grove, TN | 931 | $190,000 | 3% |
| Population | Home Price | National Avg. | |
| Fertile, MN | 931 | $85,800 | 54% |
| Hernandez, NM | 931 | $144,300 | 22% |
| Danville, IA | 931 | $106,500 | 42% |
| Black Creek, NC | 932 | $89,300 | 52% |
| La Farge, WI | 930 | $78,800 | 57% |
| Walnut Grove, TN | 931 | $190,000 | 3% |
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