| Index | Barnwell | South Carolina | National |
| Cost of living | 88 | 94 | 100 |
| Groceries | 101 | 99 | 100 |
| Health care | 97 | 98 | 100 |
| Housing | 62 | 81 | 100 |
| Transportation | 101 | 99 | 100 |
| Utilities | 98 | 101 | 100 |
| Lifestyle & Entertainment | 96 | 98 | 100 |
| Household Items | 101 | 99 | 100 |
| Education & Childcare | 95 | 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 | $88,409 | $7,367 | $2,063 | $2,653 |
| Renters | $17,313 | $1,443 | $404 | $519 |
| 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. |
| Govan, SC | 62 | 99 | 1.3% |
| Ulmer, SC | 87 | 79 | 20.9% |
| Hilda, SC | 474 | 81 | 19.0% |
| Denmark, SC | 3,349 | 81 | 18.8% |
| Kline, SC | 154 | 83 | 17.3% |
| Barnwell, SC | 4,497 | 88 | 12.4% |
| City | Population | Cost of Living Index | National Avg. |
| Nashville, AR | 4,497 | 87 | 12.6% |
| Ste. Genevieve, MO | 4,497 | 91 | 8.9% |
| South Hill, VA | 4,496 | 99 | 1.3% |
| La Verkin, UT | 4,498 | 107 | 7.3% |
| Holt, AL | 4,495 | 84 | 16.5% |
| Barnwell, SC | 4,497 | 88 | 12.4% |