| Index | Walnut Grove | Tennessee | National |
| Cost of living | 100 | 92 | 100 |
| Groceries | 97 | 98 | 100 |
| Health care | 97 | 97 | 100 |
| Housing | 107 | 80 | 100 |
| Transportation | 99 | 97 | 100 |
| Utilities | 99 | 98 | 100 |
| Lifestyle & Entertainment | 101 | 97 | 100 |
| Household Items | 96 | 98 | 100 |
| Education & Childcare | 92 | 97 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $145,763 | $12,147 | $3,401 | $4,373 |
| Renters | $53,027 | $4,419 | $1,237 | $1,591 |
| State | General Sales Tax | With Max Surtax |
| Tennessee | 7% | 9.75% |
| State | Income Tax (Low) | Income Tax (High) |
| Tennessee | 0% | 0% |
| City | Population | Cost of Living Index | National Avg. |
| Walnut Grove CDP (Hardin County), TN | 261 | 97 | 2.8% |
| Adairville, KY | 892 | 81 | 19.2% |
| Guthrie, KY | 1,350 | 86 | 13.7% |
| Cedar Hill, TN | 276 | 89 | 10.9% |
| Adams, TN | 623 | 91 | 9.3% |
| Walnut Grove, TN | 966 | 100 | 0.2% |
| City | Population | Cost of Living Index | National Avg. |
| Lake View, IA | 966 | 85 | 15.3% |
| Brownsville, KY | 966 | 88 | 12.2% |
| Humphrey, NE | 966 | 95 | 5.0% |
| Saint-Narcisse-de-Rimouski, QC | 966 | n/a | |
| Inkom, ID | 967 | 96 | 3.6% |
| Walnut Grove, TN | 966 | 100 | 0.2% |