| Index | Fairfield | Idaho | National |
| Cost of living | 93 | 96 | 100 |
| Goods & Services | 96 | 101 | 100 |
| Groceries | 98 | 101 | 100 |
| Health care | 96 | 99 | 100 |
| Housing | 88 | 88 | 100 |
| Transportation | 100 | 105 | 100 |
| Utilities | 87 | 86 | 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 | $34,958 | $2,913 | $816 | $1,049 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Idaho | 6% | 8.5% |
| State | Income Tax (Low) | Income Tax (High) |
| Idaho | 5.8% | 5.8% |
| Item | Fairfield | National avg. | Difference |
| Haircut | $22.96 | $24.26 | 5.4% |
| Beauty Salon | $36.09 | $45.56 | 20.8% |
| Toothpaste | $4.16 | $3.70 | 12.4% |
| Shampoo | $1.04 | $1.28 | 19.0% |
| Movie | $11.75 | $12.13 | 3.2% |
| Bowling | $12.32 | $18.00 | 31.6% |
| Item | Fairfield | National avg. | Difference |
| Ground Beef | $6.63 | $5.84 | 13.5% |
| Fried Chicken | $1.36 | $1.57 | 13.2% |
| Milk | $4.52 | $4.67 | 3.3% |
| Potatoes | $4.62 | $4.93 | 6.5% |
| Pizza | $10.57 | $12.09 | 12.5% |
| Beer | $10.41 | $10.41 | 0.0% |
| Item | Fairfield | National avg. | Difference |
| Optometrist | $130.57 | $125.68 | 3.9% |
| Doctor | $151.89 | $135.78 | 11.9% |
| Dentist | $97.67 | $113.29 | 13.8% |
| Ibuprofen | $10.36 | $10.65 | 2.7% |
| Lipitor | $409.05 | $468.60 | 12.7% |
| Item | Fairfield | National avg. | Difference |
| Home Price | $152,500.00 | $184,700.00 | 17.4% |
| Avg. Mortgage Payment | $1,859.77 | $2,346.69 | 20.7% |
| Apartment Rent | $950.00 | $949.00 | 0.1% |
| Item | Fairfield | National avg. | Difference |
| Gasoline | $3.70 | $3.46 | 6.8% |
| Tire Balancing | $49.70 | $59.92 | 17.0% |
| Item | Fairfield | National avg. | Difference |
| All Electricity | $161.77 | $193.99 | 16.6% |
| Phone | $177.84 | $192.25 | 7.5% |
| City | Population | Cost of Living Index | National Avg. |
| Fairfield, ID | 567 | 93 | 6.9% |
| City | Population | Cost of Living Index | National Avg. |
| Springville, CA | 567 | 105 | 4.7% |
| Gilmore City, IA | 567 | 83 | 16.8% |
| Sand Lake village, MI | 567 | 83 | 16.9% |
| Saint-Moïse, QC | 567 | n/a | |
| Eye Hill No. 382, SK | 567 | n/a | |
| Fairfield, ID | 567 | 93 | 6.9% |