| Index | Hays | Montana | National |
| Cost of living | 81 | 102 | 100 |
| Groceries | 104 | 103 | 100 |
| Health care | 102 | 102 | 100 |
| Housing | 31 | 101 | 100 |
| Transportation | 101 | 100 | 100 |
| Utilities | 105 | 104 | 100 |
| Lifestyle & Entertainment | 101 | 100 | 100 |
| Household Items | 99 | 100 | 100 |
| Education & Childcare | 106 | 102 | 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 | $57,127 | $4,761 | $1,333 | $1,714 |
| Renters | $54,236 | $4,520 | $1,265 | $1,627 |
| State | General Sales Tax | With Max Surtax |
| Montana | 0% | 0% |
| State | Income Tax (Low) | Income Tax (High) |
| Montana | 1% | 6.75% |
| City | Population | Cost of Living Index | National Avg. |
| Zortman, MT | 34 | 103 | 2.5% |
| Lodge Pole, MT | 356 | 87 | 13.0% |
| Hays, MT | 974 | 81 | 19.0% |
| City | Population | Cost of Living Index | National Avg. |
| Littlerock, CA | 974 | 123 | 23.5% |
| White Plains, KY | 974 | 83 | 17.3% |
| Alexandria Bay, NY | 974 | 96 | 3.9% |
| Davidsville, PA | 974 | 103 | 2.5% |
| Goldsboro, PA | 974 | 98 | 1.6% |
| Hays, MT | 974 | 81 | 19.0% |