| Index | Walnut Grove | Tennessee | National |
| Cost of living | 98 | 89 | 100 |
| Goods & Services | 94 | 94 | 100 |
| Groceries | 100 | 98 | 100 |
| Health care | 91 | 88 | 100 |
| Housing | 103 | 80 | 100 |
| Transportation | 92 | 89 | 100 |
| Utilities | 102 | 93 | 100 |


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| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $99,464 | $8,289 | $2,321 | $2,984 |
| Renters | $36,167 | $3,014 | $844 | $1,085 |
| State | General Sales Tax | With Max Surtax |
| Tennessee | 7% | 9.75% |
| State | Income Tax (Low) | Income Tax (High) |
| Tennessee | 0% | 0% |
| Item | Walnut Grove | National avg. | Difference |
| Haircut | $24.76 | $24.26 | 2.1% |
| Beauty Salon | $46.01 | $45.56 | 1.0% |
| Toothpaste | $3.71 | $3.70 | 0.2% |
| Shampoo | $1.23 | $1.28 | 3.9% |
| Movie | $13.30 | $12.13 | 9.6% |
| Bowling | $19.79 | $18.00 | 9.9% |
| Item | Walnut Grove | National avg. | Difference |
| Ground Beef | $5.70 | $5.84 | 2.4% |
| Fried Chicken | $1.43 | $1.57 | 8.9% |
| Milk | $4.68 | $4.67 | 0.2% |
| Potatoes | $5.16 | $4.93 | 4.6% |
| Pizza | $10.85 | $12.09 | 10.3% |
| Beer | $10.05 | $10.41 | 3.5% |
| Item | Walnut Grove | National avg. | Difference |
| Optometrist | $96.03 | $125.68 | 23.6% |
| Doctor | $116.91 | $135.78 | 13.9% |
| Dentist | $104.65 | $113.29 | 7.6% |
| Ibuprofen | $10.51 | $10.65 | 1.3% |
| Lipitor | $460.51 | $468.60 | 1.7% |
| Item | Walnut Grove | National avg. | Difference |
| Home Price | $190,000.00 | $184,700.00 | 2.9% |
| Avg. Mortgage Payment | $2,548.79 | $2,346.69 | 8.6% |
| Apartment Rent | $0.00 | $949.00 | 100.0% |
| Item | Walnut Grove | National avg. | Difference |
| Gasoline | $3.12 | $3.46 | 9.8% |
| Tire Balancing | $57.43 | $59.92 | 4.2% |
| Item | Walnut Grove | National avg. | Difference |
| All Electricity | $183.77 | $193.99 | 5.3% |
| Phone | $218.37 | $192.25 | 13.6% |
| City | Population | Cost of Living Index | National Avg. |
| Walnut Grove CDP (Hardin County), TN | 252 | 96 | 4.0% |
| Adairville, KY | 872 | 81 | 18.8% |
| Guthrie, KY | 1,301 | 85 | 15.1% |
| Cedar Hill, TN | 271 | 88 | 12.2% |
| Adams, TN | 602 | 89 | 10.6% |
| Walnut Grove, TN | 931 | 98 | 2.0% |
| City | Population | Cost of Living Index | National Avg. |
| Danville, IA | 931 | 88 | 11.8% |
| Fertile, MN | 931 | 83 | 17.3% |
| Hernandez, NM | 931 | 92 | 7.9% |
| Lot 20, PE | 931 | n/a | |
| Saint-Léon-le-Grand, QC | 931 | n/a | |
| Walnut Grove, TN | 931 | 98 | 2.0% |