| Index | Whitemarsh Island | Georgia | National |
| Cost of living | 114 | 96 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 102 | 99 | 100 |
| Housing | 145 | 88 | 100 |
| Transportation | 99 | 99 | 100 |
| Utilities | 103 | 102 | 100 |
| Lifestyle & Entertainment | 102 | 100 | 100 |
| Household Items | 100 | 100 | 100 |
| Education & Childcare | 106 | 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 | $141,692 | $11,808 | $3,306 | $4,251 |
| Renters | $88,110 | $7,343 | $2,056 | $2,644 |
| State | General Sales Tax | With Max Surtax |
| Georgia | 4% | 8% |
| State | Income Tax (Low) | Income Tax (High) |
| Georgia | 1% | 5.57% |
| City | Population | Cost of Living Index | National Avg. |
| Garden City, GA | 9,315 | 94 | 6.3% |
| Savannah, GA | 148,994 | 99 | 1.2% |
| Georgetown, GA | 12,996 | 102 | 1.6% |
| Port Wentworth, GA | 9,153 | 104 | 4.3% |
| Pooler, GA | 25,214 | 108 | 8.0% |
| Whitemarsh Island, GA | 7,483 | 114 | 14.0% |
| City | Population | Cost of Living Index | National Avg. |
| Ralston, NE | 7,481 | 95 | 4.7% |
| Wauseon, OH | 7,485 | 89 | 11.1% |
| Winters, CA | 7,479 | 147 | 47.2% |
| Sky Lake, FL | 7,478 | 104 | 4.3% |
| Northport, NY | 7,478 | 165 | 65.1% |
| Whitemarsh Island, GA | 7,483 | 114 | 14.0% |