| Index | St. Marys | Kansas | National |
| Income per capita | $36,964 | $42,278 | $44,883 |
| Median household income | $91,400 | $81,041 | $81,333 |
| Median income owner occupied | $103,070 | $102,579 | $106,172 |
| Median income renter occupied | $63,879 | $49,666 | $52,080 |
| Median earnings male | $74,279 | $53,070 | $54,343 |
| Median earnings female | $37,392 | $35,993 | $38,439 |
| Unemployment rate | 1.5% | 3.7% | 4.9% |
| Poverty level | 3.5% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 16.8% | 16.8% |
| Manufacturing sector | 31.2% | 31.2% |
| Financial & insurance services | 2.6% | 2.6% |
| Wholesale & retail services | 2.0% | 2.0% |
| Public administration | 8.5% | 8.5% |
| Transportation, warehousing & utilities | 5.6% | 5.6% |
| Education, health & social services | 5.9% | 5.9% |
| Other | 25.9% | 25.9% |
| City | Population | Household Income | National Avg. |
| Maple Hill, KS | 621 | $115,294 | 41.8% |
| Delia, KS | 260 | $91,021 | 11.9% |
| Silver Lake, KS | 1,491 | $89,298 | 9.8% |
| Belvue, KS | 127 | $85,740 | 5.4% |
| Alma, KS | 940 | $84,809 | 4.3% |
| St. Marys, KS | 2,824 | $91,400 | 12.4% |
| City | Population | Household Income | National Avg. |
| Forest Heights, MD | 2,824 | $144,782 | 78.0% |
| Tusculum, TN | 2,824 | $83,770 | 3.0% |
| Follansbee, WV | 2,824 | $61,717 | 24.1% |
| Canadian Lakes, MI | 2,823 | $91,703 | 12.8% |
| Crown Heights, NY | 2,823 | $133,593 | 64.3% |
| St. Marys, KS | 2,824 | $91,400 | 12.4% |