| Index | Williams | South Carolina | National |
| Income per capita | $34,120 | $37,827 | $44,883 |
| Median household income | $90,673 | $68,647 | $81,333 |
| Median income owner occupied | $102,742 | $87,094 | $106,172 |
| Median income renter occupied | $52,985 | $44,371 | $52,080 |
| Median earnings male | $0 | $46,426 | $54,343 |
| Median earnings female | $0 | $34,595 | $38,439 |
| Unemployment rate | 12.4% | 5.3% | 4.9% |
| Poverty level | 36.1% | 17.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 28.6% | 28.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 7.1% | 7.1% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 7.1% | 7.1% |
| Education, health & social services | 28.6% | 28.6% |
| Other | 28.6% | 28.6% |
| City | Population | Household Income | National Avg. |
| Reevesville, SC | 241 | $101,906 | 25.3% |
| Islandton, SC | 51 | $91,194 | 12.1% |
| Smoaks, SC | 99 | $79,836 | 1.8% |
| Walterboro, SC | 5,608 | $50,313 | 38.1% |
| Varnville, SC | 1,896 | $47,430 | 41.7% |
| Williams, SC | 202 | $90,673 | 11.5% |
| City | Population | Household Income | National Avg. |
| Adona, AR | 202 | $41,559 | 48.9% |
| Stevinson, CA | 202 | $0 | 100.0% |
| Rayle, GA | 202 | $24,119 | 70.3% |
| Schoenchen, KS | 202 | $85,381 | 5.0% |
| Carter, OK | 202 | $58,667 | 27.9% |
| Williams, SC | 202 | $90,673 | 11.5% |