| Index | Blenheim | South Carolina | National |
| Income per capita | $35,344 | $37,827 | $44,883 |
| Median household income | $52,530 | $68,647 | $81,333 |
| Median income owner occupied | $0 | $87,094 | $106,172 |
| Median income renter occupied | $0 | $44,371 | $52,080 |
| Median earnings male | $34,294 | $46,426 | $54,343 |
| Median earnings female | $0 | $34,595 | $38,439 |
| Unemployment rate | 0.0% | 5.3% | 4.9% |
| Poverty level | 21.1% | 17.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 27.3% | 27.3% |
| Manufacturing sector | 13.6% | 13.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 40.9% | 40.9% |
| Education, health & social services | 4.5% | 4.5% |
| Other | 13.6% | 13.6% |
| City | Population | Household Income | National Avg. |
| Scotch Meadows, NC | 436 | $112,186 | 37.9% |
| Society Hill, SC | 504 | $58,537 | 28.0% |
| Latta, SC | 1,664 | $57,511 | 29.3% |
| Tatum, SC | 286 | $52,978 | 34.9% |
| McColl, SC | 1,739 | $47,895 | 41.1% |
| Blenheim, SC | 126 | $52,530 | 35.4% |
| City | Population | Household Income | National Avg. |
| Pollard, AL | 126 | $46,602 | 42.7% |
| Elk River, ID | 126 | $57,617 | 29.2% |
| Catharine, KS | 126 | $175,052 | 115.2% |
| West Mineral, KS | 126 | $53,693 | 34.0% |
| Brook Park, MN | 126 | $65,766 | 19.1% |
| Blenheim, SC | 126 | $52,530 | 35.4% |