| Median Foreclosure: | $137,400 |
| Median For Sale: | $129,900 |
| Median Land: | $157,000 |
| Median Rental: | $650 |
| Median New Home: | $149,000 |
| Population | 12,694 |
| Square Miles | 173.99 |
| Population Density | 72.96 |
| Median Age | 34 |
| Median Household Income | $31,006 |
| Per Capita Income | $16,625 |
| Median Rent | $307 |
| Percent Renters | 21% |
| Median Barnwell, SC 29812 Rental Price: | $650 |
| 3 Bedroom Rental Median Price: | $650 |
| 4 Bedroom Rental Median Price: | $1,200 |
| Median Barnwell, SC 29812 For Sale Price: | $129,900 |
| Studio For Sale Median Price: | $49,900 |
| 1 Bedroom For Sale Median Price: | $248,500 |
| 2 Bedroom For Sale Median Price: | $55,900 |
| 3 Bedroom For Sale Median Price: | $129,000 |
| 4 Bedroom For Sale Median Price: | $385,000 |
| Median Barnwell, SC 29812 Foreclosure Price: | $137,400 |
| 3 Bedroom Foreclosure Median Price: | $137,400 |
| 4 Bedroom Foreclosure Median Price: | $84,900 |