| Index | Helena Valley Northwest | Montana | National |
| Cost of living | 112 | 102 | 100 |
| Groceries | 102 | 103 | 100 |
| Health care | 101 | 102 | 100 |
| Housing | 135 | 101 | 100 |
| Transportation | 102 | 100 | 100 |
| Utilities | 102 | 104 | 100 |
| Lifestyle & Entertainment | 100 | 100 | 100 |
| Household Items | 101 | 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 | $125,771 | $10,481 | $2,934 | $3,774 |
| Renters | $68,927 | $5,744 | $1,608 | $2,068 |
| 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. |
| Marysville, MT | 73 | 97 | 3.3% |
| East Helena, MT | 1,731 | 102 | 2.0% |
| Helena Valley Southeast, MT | 8,816 | 106 | 5.8% |
| Helena, MT | 33,820 | 110 | 9.8% |
| Helena Valley West Central, MT | 8,319 | 113 | 13.3% |
| Helena Valley Northwest, MT | 4,403 | 112 | 11.8% |
| City | Population | Cost of Living Index | National Avg. |
| Osawatomie, KS | 4,403 | 86 | 14.4% |
| Amaranth, ON | 4,403 | n/a | |
| Kindersley, SK | 4,404 | n/a | |
| Atlantic Highlands, NJ | 4,401 | 145 | 44.7% |
| Cross Plains, WI | 4,401 | 112 | 11.9% |
| Helena Valley Northwest, MT | 4,403 | 112 | 11.8% |