| Index | Harrison | Montana | National |
| Cost of living | 101 | 102 | 100 |
| Groceries | 102 | 103 | 100 |
| Health care | 100 | 102 | 100 |
| Housing | n/a | 101 | 100 |
| Transportation | 99 | 100 | 100 |
| Utilities | 104 | 104 | 100 |
| Lifestyle & Entertainment | 102 | 100 | 100 |
| Household Items | 101 | 100 | 100 |
| Education & Childcare | 97 | 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 | $0 | $0 | $0 | $0 |
| 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. |
| Whitehall, MT | 1,038 | 96 | 4.2% |
| Willow Creek, MT | 225 | 96 | 3.8% |
| Cardwell, MT | 111 | 99 | 0.9% |
| Pony, MT | 143 | 103 | 3.2% |
| Three Forks, MT | 2,033 | 106 | 6.1% |
| Harrison, MT | 66 | 101 | 0.9% |
| City | Population | Cost of Living Index | National Avg. |
| Cale, AR | 66 | 78 | 22.3% |
| Coy, AR | 66 | 79 | 20.9% |
| Why, AZ | 66 | 102 | 2.4% |
| Bear Valley CDP (Alpine County), CA | 66 | 154 | 54.3% |
| Heeney, CO | 66 | 106 | 5.6% |
| Harrison, MT | 66 | 101 | 0.9% |