| Index | South Williamson | Kentucky | National |
| Income per capita | $66,097 | $37,499 | $44,883 |
| Median household income | $147,681 | $66,989 | $81,333 |
| Median income owner occupied | $163,819 | $85,266 | $106,172 |
| Median income renter occupied | $0 | $40,176 | $52,080 |
| Median earnings male | $109,541 | $47,734 | $54,343 |
| Median earnings female | $72,581 | $33,481 | $38,439 |
| Unemployment rate | 0.0% | 4.7% | 4.9% |
| Poverty level | 17.8% | 18.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 44.3% | 44.3% |
| Financial & insurance services | 16.5% | 16.5% |
| Wholesale & retail services | 8.9% | 8.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 16.5% | 16.5% |
| Other | 13.9% | 13.9% |
| City | Population | Household Income | National Avg. |
| Belfry, KY | 270 | $175,782 | 116.1% |
| Holden, WV | 705 | $81,043 | 0.4% |
| Inez, KY | 995 | $76,136 | 6.4% |
| Verdunville, WV | 434 | $68,996 | 15.2% |
| Chattaroy, WV | 601 | $66,733 | 18.0% |
| South Williamson, KY | 533 | $147,681 | 81.6% |
| City | Population | Household Income | National Avg. |
| Cedar Creek, AZ | 533 | $56,522 | 30.5% |
| Seymour, IA | 533 | $55,621 | 31.6% |
| Golf, IL | 533 | $294,820 | 262.5% |
| Fancy Farm, KY | 533 | $52,114 | 35.9% |
| Darlington, MD | 533 | $151,846 | 86.7% |
| South Williamson, KY | 533 | $147,681 | 81.6% |