| Index | St. Marys | West Virginia | National |
| Income per capita | $50,730 | $35,897 | $44,883 |
| Median household income | $73,476 | $62,440 | $81,333 |
| Median income owner occupied | $75,057 | $75,697 | $106,172 |
| Median income renter occupied | $39,250 | $36,496 | $52,080 |
| Median earnings male | $50,590 | $50,351 | $54,343 |
| Median earnings female | $31,372 | $33,265 | $38,439 |
| Unemployment rate | 6.7% | 4.3% | 4.9% |
| Poverty level | 6.5% | 17.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.3% | 7.3% |
| Manufacturing sector | 20.1% | 20.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 19.7% | 19.7% |
| Public administration | 9.5% | 9.5% |
| Transportation, warehousing & utilities | 15.2% | 15.2% |
| Education, health & social services | 7.5% | 7.5% |
| Other | 18.8% | 18.8% |
| City | Population | Household Income | National Avg. |
| Devola, OH | 2,674 | $110,009 | 35.3% |
| Waverly, WV | 711 | $107,734 | 32.5% |
| Williamstown, WV | 3,015 | $106,586 | 31.0% |
| Newport, OH | 1,357 | $99,606 | 22.5% |
| Lower Salem, OH | 129 | $91,293 | 12.2% |
| St. Marys, WV | 2,107 | $73,476 | 9.7% |
| City | Population | Household Income | National Avg. |
| Lexington, IL | 2,107 | $123,719 | 52.1% |
| Grand Bank, NL | 2,107 | n/a | |
| Fermont, QC | 2,107 | n/a | |
| Linden, CA | 2,108 | $164,972 | 102.8% |
| Blue Grass, IA | 2,108 | $106,817 | 31.3% |
| St. Marys, WV | 2,107 | $73,476 | 9.7% |