| Index | Custer | Montana | National |
| Cost of living | 88 | 102 | 100 |
| Groceries | 102 | 103 | 100 |
| Health care | 103 | 102 | 100 |
| Housing | 55 | 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 | $100,754 | $8,396 | $2,351 | $3,023 |
| Renters | $46,319 | $3,860 | $1,081 | $1,390 |
| 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. |
| Custer, MT | 156 | 88 | 11.9% |
| City | Population | Cost of Living Index | National Avg. |
| North Johns, AL | 156 | 80 | 19.8% |
| Powhatan, AR | 156 | 83 | 17.4% |
| North San Juan, CA | 156 | 128 | 28.2% |
| Chester, IA | 156 | 82 | 18.0% |
| Garden City, IA | 156 | 74 | 25.5% |
| Custer, MT | 156 | 88 | 11.9% |