| Index | Roy | Montana | National |
| Cost of living | 93 | 102 | 100 |
| Groceries | 102 | 103 | 100 |
| Health care | 103 | 102 | 100 |
| Housing | 73 | 101 | 100 |
| Transportation | 102 | 100 | 100 |
| Utilities | 107 | 104 | 100 |
| Lifestyle & Entertainment | 98 | 100 | 100 |
| Household Items | 100 | 100 | 100 |
| Education & Childcare | 103 | 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 | $57,173 | $4,764 | $1,334 | $1,715 |
| Renters | $64,707 | $5,392 | $1,510 | $1,941 |
| 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. |
| Roy, MT | 122 | 93 | 6.5% |
| City | Population | Cost of Living Index | National Avg. |
| Delta, AL | 122 | 95 | 5.4% |
| Haynes, AR | 122 | 75 | 25.4% |
| Hunter, AR | 122 | 79 | 21.5% |
| Bryce, AZ | 122 | 102 | 1.9% |
| Montgomery Creek, CA | 122 | 117 | 17.4% |
| Roy, MT | 122 | 93 | 6.5% |