| Index | Hardin | Montana | National |
| Cost of living | 94 | 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 | $91,817 | $7,651 | $2,142 | $2,755 |
| Renters | $63,517 | $5,293 | $1,482 | $1,906 |
| 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. |
| Crow Agency, MT | 2,045 | 86 | 13.6% |
| Hardin, MT | 3,865 | 94 | 6.5% |
| City | Population | Cost of Living Index | National Avg. |
| Marlboro, NY | 3,865 | 114 | 14.5% |
| Claresholm, AB | 3,865 | n/a | |
| Raymond, AB | 3,865 | n/a | |
| Merton, WI | 3,864 | 129 | 28.6% |
| Forestdale, MA | 3,863 | 134 | 33.8% |
| Hardin, MT | 3,865 | 94 | 6.5% |