| Index | Barnwell | South Carolina | National |
| Median home price | $105,800 | $143,600 | $184,700 |
| Median rent asked | $665 | $811 | $949 |
| 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. | |
| Elko, SC | 327 | $0 | 100% |
| Olar, SC | 307 | $0 | 100% |
| Govan, SC | 60 | $0 | 100% |
| Denmark, SC | 3,231 | $49,900 | 73% |
| Hilda, SC | 461 | $56,800 | 69% |
| Barnwell, SC | 4,373 | $105,800 | 43% |
| Population | Home Price | National Avg. | |
| Hampden, ME | 4,373 | $211,100 | 14% |
| Okauchee Lake, WI | 4,373 | $380,600 | 106% |
| La Joya, TX | 4,374 | $82,400 | 55% |
| Isle of Palms, SC | 4,371 | $815,300 | 341% |
| North Terre Haute, IN | 4,371 | $96,600 | 48% |
| Barnwell, SC | 4,373 | $105,800 | 43% |
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