| Index | Kittery | Maine | National |
| Cost of living | 124 | 100 | 100 |
| Groceries | 103 | 103 | 100 |
| Health care | 103 | 101 | 100 |
| Housing | 169 | 91 | 100 |
| Transportation | 104 | 103 | 100 |
| Utilities | 107 | 108 | 100 |
| Lifestyle & Entertainment | 108 | 103 | 100 |
| Household Items | 101 | 103 | 100 |
| Education & Childcare | 108 | 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 | $85,229 | $7,102 | $1,989 | $2,557 |
| Renters | $74,249 | $6,187 | $1,732 | $2,228 |
| State | General Sales Tax | With Max Surtax |
| Maine | 5.5% | 5.5% |
| State | Income Tax (Low) | Income Tax (High) |
| Maine | 5.8% | 7.15% |
| City | Population | Cost of Living Index | National Avg. |
| Rochester, NH | 31,988 | 104 | 3.8% |
| Berwick, ME | 2,058 | 106 | 5.7% |
| North Berwick, ME | 1,778 | 108 | 8.3% |
| Somersworth, NH | 12,381 | 108 | 8.5% |
| Exeter, NH | 9,649 | 113 | 12.8% |
| Kittery, ME | 5,489 | 124 | 23.8% |
| City | Population | Cost of Living Index | National Avg. |
| James City, NC | 5,489 | 93 | 6.8% |
| Fairport, NY | 5,489 | 109 | 8.6% |
| Evansville, WI | 5,489 | 99 | 1.3% |
| Linton, IN | 5,491 | 81 | 18.6% |
| Saint-Roch-de-l'Achigan, QC | 5,486 | n/a | |
| Kittery, ME | 5,489 | 124 | 23.8% |