| Index | Colchester | Connecticut | National |
| Cost of living | 112 | 118 | 100 |
| Groceries | 107 | 106 | 100 |
| Health care | 109 | 111 | 100 |
| Housing | 123 | 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 | $116,581 | $9,715 | $2,720 | $3,498 |
| Renters | $70,538 | $5,878 | $1,646 | $2,116 |
| 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. |
| Willimantic, CT | 19,354 | 101 | 1.0% |
| South Windham, CT | 1,522 | 101 | 1.3% |
| East Hartford, CT | 51,352 | 105 | 5.2% |
| Norwich, CT | 40,661 | 105 | 5.1% |
| Manchester, CT | 37,216 | 105 | 5.5% |
| Colchester, CT | 5,282 | 112 | 12.1% |
| City | Population | Cost of Living Index | National Avg. |
| Edenwold No. 158, SK | 5,282 | n/a | |
| Beckett, NJ | 5,281 | 114 | 13.7% |
| Swartz, LA | 5,284 | 94 | 6.4% |
| West Elgin, ON | 5,284 | n/a | |
| Simonton Lake, IN | 5,279 | 96 | 4.0% |
| Colchester, CT | 5,282 | 112 | 12.1% |