| Index | Roberts | Montana | National |
| Cost of living | 102 | 102 | 100 |
| Groceries | 102 | 103 | 100 |
| Health care | 103 | 102 | 100 |
| Housing | 103 | 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 | $95,672 | $7,973 | $2,232 | $2,870 |
| Renters | $0 | $0 | $0 | $0 |
| 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. |
| Boyd, MT | 65 | 102 | 2.2% |
| Bridger CDP, MT | 20 | 102 | 2.2% |
| Belfry, MT | 313 | 91 | 9.3% |
| Bridger, MT | 941 | 94 | 5.7% |
| Fromberg, MT | 403 | 95 | 4.5% |
| Roberts, MT | 307 | 102 | 2.4% |
| City | Population | Cost of Living Index | National Avg. |
| Canby, CA | 307 | 117 | 17.4% |
| Munson, FL | 307 | 92 | 7.6% |
| Trilby, FL | 307 | 103 | 3.2% |
| Pitts, GA | 307 | 81 | 19.0% |
| Maurice, IA | 307 | 94 | 6.2% |
| Roberts, MT | 307 | 102 | 2.4% |