| Index | Folly Beach | South Carolina | National |
| Cost of living | 153 | 94 | 100 |
| Groceries | 100 | 99 | 100 |
| Health care | 100 | 98 | 100 |
| Housing | 278 | 81 | 100 |
| Transportation | 96 | 99 | 100 |
| Utilities | 99 | 101 | 100 |
| Lifestyle & Entertainment | 102 | 98 | 100 |
| Household Items | 99 | 99 | 100 |
| Education & Childcare | 103 | 98 | 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 | $139,105 | $11,592 | $3,246 | $4,174 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| South Carolina | 6% | 9% |
| State | Income Tax (Low) | Income Tax (High) |
| South Carolina | 0% | 6.5% |
| City | Population | Cost of Living Index | National Avg. |
| North Charleston, SC | 117,218 | 102 | 1.9% |
| Charleston, SC | 142,427 | 123 | 22.8% |
| James Island, SC | 12,534 | 125 | 25.4% |
| Mount Pleasant, SC | 91,527 | 140 | 40.4% |
| Rockville, SC | 137 | 153 | 53.0% |
| Folly Beach, SC | 2,735 | 153 | 53.2% |
| City | Population | Cost of Living Index | National Avg. |
| Saint-Gilles, QC | 2,735 | n/a | |
| Rancho Santa Fe, CA | 2,734 | 336 | 236.3% |
| French River / Rivière des Français, ON | 2,734 | n/a | |
| Winamac, IN | 2,736 | 83 | 16.6% |
| Pemberton Heights, NJ | 2,736 | 98 | 2.1% |
| Folly Beach, SC | 2,735 | 153 | 53.2% |