| Index | Montana City | Montana | National |
| Cost of living | 124 | 102 | 100 |
| Groceries | 102 | 103 | 100 |
| Health care | 101 | 102 | 100 |
| Housing | 176 | 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 | $161,114 | $13,426 | $3,759 | $4,834 |
| Renters | $87,218 | $7,268 | $2,035 | $2,617 |
| 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. |
| East Helena, MT | 1,731 | 102 | 2.0% |
| Helena Valley Southeast, MT | 8,816 | 106 | 5.8% |
| Jefferson City, MT | 614 | 108 | 7.8% |
| Helena, MT | 33,820 | 110 | 9.8% |
| Helena Valley Northwest, MT | 4,403 | 112 | 11.8% |
| Montana City, MT | 2,877 | 124 | 24.0% |
| City | Population | Cost of Living Index | National Avg. |
| Mohave Valley, AZ | 2,877 | 98 | 2.0% |
| Village of Grosse Pointe Shores, MI | 2,877 | 159 | 58.8% |
| Fairfield Harbour, NC | 2,877 | 105 | 5.5% |
| Springdale, NL | 2,877 | n/a | |
| Bayview, CA | 2,876 | 121 | 21.1% |
| Montana City, MT | 2,877 | 124 | 24.0% |