| Index | Lake Mary Ronan | Montana | National |
| Cost of living | 115 | 102 | 100 |
| Groceries | 105 | 103 | 100 |
| Health care | 103 | 102 | 100 |
| Housing | 147 | 101 | 100 |
| Transportation | 98 | 100 | 100 |
| Utilities | 102 | 104 | 100 |
| Lifestyle & Entertainment | 103 | 100 | 100 |
| Household Items | 99 | 100 | 100 |
| Education & Childcare | 101 | 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 | $60,119 | $5,010 | $1,403 | $1,804 |
| 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. |
| Big Arm, MT | 91 | 102 | 1.5% |
| Rollins, MT | 162 | 102 | 1.5% |
| Elmo, MT | 261 | 102 | 1.5% |
| Niarada, MT | 8 | 102 | 1.5% |
| Forest Hill Village, MT | 101 | 88 | 11.6% |
| Lake Mary Ronan, MT | 46 | 115 | 15.1% |
| City | Population | Cost of Living Index | National Avg. |
| Ocotillo, CA | 46 | 113 | 13.4% |
| Volcano, CA | 46 | 114 | 13.8% |
| Whitley Gardens, CA | 46 | 114 | 14.2% |
| Fenwick, CT | 46 | 408 | 308.2% |
| Balltown, IA | 46 | 98 | 1.5% |
| Lake Mary Ronan, MT | 46 | 115 | 15.1% |