| Index | St. Marks | Florida | National |
| Cost of living | 118 | 102 | 100 |
| Groceries | 103 | 102 | 100 |
| Health care | 105 | 104 | 100 |
| Housing | 148 | 97 | 100 |
| Transportation | 100 | 103 | 100 |
| Utilities | 115 | 110 | 100 |
| Lifestyle & Entertainment | 108 | 104 | 100 |
| Household Items | 101 | 102 | 100 |
| Education & Childcare | 111 | 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 | $90,545 | $7,545 | $2,113 | $2,717 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Florida | 6% | 7.5% |
| State | Income Tax (Low) | Income Tax (High) |
| Florida | 0% | 0% |
| City | Population | Cost of Living Index | National Avg. |
| Wacissa, FL | 366 | 105 | 5.2% |
| Panacea, FL | 765 | 88 | 11.8% |
| Woodville, FL | 4,201 | 95 | 5.3% |
| Crawfordville, FL | 4,213 | 103 | 3.1% |
| St. Marks, FL | 349 | 118 | 17.9% |
| City | Population | Cost of Living Index | National Avg. |
| Keysville, GA | 349 | 90 | 10.1% |
| Montrose, GA | 349 | 84 | 16.1% |
| Duncombe, IA | 349 | 80 | 20.2% |
| Kempton, IN | 349 | 83 | 16.5% |
| Mooreland, IN | 349 | 80 | 19.9% |
| St. Marks, FL | 349 | 118 | 17.9% |