| Index | Old Saybrook Center | Connecticut | National |
| Cost of living | 136 | 118 | 100 |
| Groceries | 107 | 106 | 100 |
| Health care | 109 | 111 | 100 |
| Housing | 203 | 139 | 100 |
| Transportation | 105 | 107 | 100 |
| Utilities | 107 | 108 | 100 |
| Lifestyle & Entertainment | 110 | 110 | 100 |
| Household Items | 103 | 106 | 100 |
| Education & Childcare | 113 | 116 | 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 | $99,807 | $8,317 | $2,329 | $2,995 |
| Renters | $57,895 | $4,825 | $1,351 | $1,737 |
| State | General Sales Tax | With Max Surtax |
| Connecticut | 6.35% | 6.35% |
| State | Income Tax (Low) | Income Tax (High) |
| Connecticut | 3% | 6.99% |
| City | Population | Cost of Living Index | National Avg. |
| Dering Harbor, NY | 0 | 110 | 10.2% |
| Oxoboxo River, CT | 2,855 | 106 | 6.0% |
| New London, CT | 27,712 | 107 | 6.9% |
| Waterford, CT | 3,011 | 112 | 11.5% |
| Moodus, CT | 1,844 | 116 | 15.7% |
| Old Saybrook Center, CT | 2,047 | 136 | 36.1% |
| City | Population | Cost of Living Index | National Avg. |
| Hagerstown, IN | 2,047 | 86 | 13.8% |
| Veedersburg, IN | 2,047 | 84 | 15.6% |
| Alta, IA | 2,046 | 85 | 14.8% |
| Liberty, KY | 2,046 | 83 | 17.0% |
| Steele, MO | 2,048 | 84 | 16.2% |
| Old Saybrook Center, CT | 2,047 | 136 | 36.1% |