| Index | Williamsville | Missouri | National |
| Income per capita | $30,844 | $39,715 | $44,883 |
| Median household income | $59,018 | $72,613 | $81,333 |
| Median income owner occupied | $63,825 | $90,986 | $106,172 |
| Median income renter occupied | $0 | $45,210 | $52,080 |
| Median earnings male | $52,558 | $52,324 | $54,343 |
| Median earnings female | $31,277 | $36,971 | $38,439 |
| Unemployment rate | 4.2% | 4.4% | 4.9% |
| Poverty level | 19.9% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 24.2% | 24.2% |
| Manufacturing sector | 38.7% | 38.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 8.1% | 8.1% |
| Public administration | 4.8% | 4.8% |
| Transportation, warehousing & utilities | 12.9% | 12.9% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 11.3% | 11.3% |
| City | Population | Household Income | National Avg. |
| Ellsinore, MO | 672 | $63,178 | 22.3% |
| Poplar Bluff, MO | 17,570 | $53,468 | 34.3% |
| Piedmont, MO | 3,670 | $51,293 | 36.9% |
| Greenville, MO | 530 | $50,889 | 37.4% |
| Mill Spring, MO | 142 | $35,808 | 56.0% |
| Williamsville, MO | 346 | $59,018 | 27.4% |
| City | Population | Household Income | National Avg. |
| Tununak, AK | 346 | $50,132 | 38.4% |
| Eckley, CO | 346 | $53,959 | 33.7% |
| Westville, FL | 346 | $71,363 | 12.3% |
| Concord, GA | 346 | $73,029 | 10.2% |
| Fargo, GA | 346 | $91,169 | 12.1% |
| Williamsville, MO | 346 | $59,018 | 27.4% |