| Index | Selbyville | Delaware | National |
| Cost of living | 121 | 107 | 100 |
| Groceries | 107 | 99 | 100 |
| Health care | 109 | 100 | 100 |
| Housing | 154 | 123 | 100 |
| Transportation | 110 | 99 | 100 |
| Utilities | 106 | 102 | 100 |
| Lifestyle & Entertainment | 111 | 102 | 100 |
| Household Items | 104 | 100 | 100 |
| Education & Childcare | 108 | 99 | 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 | $146,657 | $12,221 | $3,422 | $4,400 |
| Renters | $31,695 | $2,641 | $740 | $951 |
| State | General Sales Tax | With Max Surtax |
| Delaware | 0% | 0% |
| State | Income Tax (Low) | Income Tax (High) |
| Delaware | 2.2% | 6.6% |
| City | Population | Cost of Living Index | National Avg. |
| Whaleyville, MD | 50 | 108 | 7.7% |
| Long Neck, DE | 2,953 | 90 | 9.5% |
| Powellville, MD | 111 | 95 | 4.9% |
| Willards, MD | 1,061 | 102 | 2.3% |
| Pittsville, MD | 1,782 | 103 | 2.6% |
| Selbyville, DE | 2,614 | 121 | 21.4% |
| City | Population | Cost of Living Index | National Avg. |
| Oasis, CA | 2,614 | 90 | 10.4% |
| Black River-Matheson, ON | 2,614 | n/a | |
| Green Level, NC | 2,613 | 86 | 13.6% |
| Jonesville, NC | 2,613 | 84 | 15.7% |
| Highspire, PA | 2,613 | 90 | 10.3% |
| Selbyville, DE | 2,614 | 121 | 21.4% |