| Index | Harmony | Rhode Island | National |
| Cost of living | 121 | 110 | 100 |
| Groceries | 101 | 103 | 100 |
| Health care | 105 | 103 | 100 |
| Housing | 158 | 124 | 100 |
| Transportation | 105 | 104 | 100 |
| Utilities | 107 | 106 | 100 |
| Lifestyle & Entertainment | 108 | 107 | 100 |
| Household Items | 104 | 105 | 100 |
| Education & Childcare | 105 | 106 | 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 | $120,292 | $10,024 | $2,807 | $3,609 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Rhode Island | 7% | 7% |
| State | Income Tax (Low) | Income Tax (High) |
| Rhode Island | 3.75% | 5.99% |
| City | Population | Cost of Living Index | National Avg. |
| Clayville, RI | 83 | 105 | 4.9% |
| Moosup, CT | 4,011 | 104 | 3.7% |
| Central Falls, RI | 20,175 | 103 | 3.0% |
| Danielson, CT | 4,138 | 105 | 4.6% |
| Woonsocket, RI | 42,718 | 105 | 4.7% |
| Harmony, RI | 1,230 | 121 | 20.5% |
| City | Population | Cost of Living Index | National Avg. |
| Kingston, IL | 1,230 | 97 | 3.3% |
| Oriskany, NY | 1,230 | 101 | 0.9% |
| Duncansville, PA | 1,230 | 91 | 9.4% |
| Bradford, TN | 1,230 | 82 | 17.6% |
| Mervin No. 499, SK | 1,230 | n/a | |
| Harmony, RI | 1,230 | 121 | 20.5% |