| Index | Barnwell | South Carolina | National |
| Median home price | $188,080 | $260,124 | $326,622 |
| Median rent asked | $1,022 | $1,212 | $1,444 |
| Avg. people per household | 2.5 | 2.6 | 2.6 |
| Owner occupied households | 59.2% | 68.4% | 63.6% |
| Renter occupied households | 40.8% | 31.6% | 36.4% |

| Population | Home Price | National Avg. | |
| Govan, SC | 62 | $0 | 100% |
| Elko, SC | 336 | $0 | 100% |
| Olar, SC | 318 | $0 | 100% |
| Denmark, SC | 3,349 | $89,633 | 73% |
| Hilda, SC | 474 | $100,703 | 69% |
| Barnwell, SC | 4,497 | $188,080 | 42% |
| Population | Home Price | National Avg. | |
| Ste. Genevieve, MO | 4,497 | $262,406 | 20% |
| Nashville, AR | 4,497 | $216,715 | 34% |
| La Verkin, UT | 4,498 | $397,479 | 22% |
| South Hill, VA | 4,496 | $304,317 | 7% |
| Bayou Vista, LA | 4,495 | $191,069 | 42% |
| Barnwell, SC | 4,497 | $188,080 | 42% |