| Index | St. Clair | Missouri | National |
| Income per capita | $32,442 | $39,715 | $44,883 |
| Median household income | $61,025 | $72,613 | $81,333 |
| Median income owner occupied | $64,538 | $90,986 | $106,172 |
| Median income renter occupied | $52,270 | $45,210 | $52,080 |
| Median earnings male | $57,151 | $52,324 | $54,343 |
| Median earnings female | $43,381 | $36,971 | $38,439 |
| Unemployment rate | 4.2% | 4.4% | 4.9% |
| Poverty level | 17.8% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.3% | 7.3% |
| Manufacturing sector | 34.5% | 34.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 22.7% | 22.7% |
| Public administration | 6.9% | 6.9% |
| Transportation, warehousing & utilities | 4.0% | 4.0% |
| Education, health & social services | 6.5% | 6.5% |
| Other | 18.0% | 18.0% |
| City | Population | Household Income | National Avg. |
| Miramiguoa Park, MO | 162 | $104,906 | 29.0% |
| Washington, MO | 14,575 | $97,715 | 20.1% |
| Villa Ridge, MO | 3,291 | $90,432 | 11.2% |
| Lake Tekakwitha, MO | 280 | $84,278 | 3.6% |
| Union, MO | 12,241 | $81,819 | 0.6% |
| St. Clair, MO | 4,878 | $61,025 | 25.0% |
| City | Population | Household Income | National Avg. |
| Gates, NY | 4,878 | $96,650 | 18.8% |
| Hillandale, MD | 4,877 | $179,720 | 121.0% |
| Spring House, PA | 4,879 | $223,312 | 174.6% |
| Lake Wildwood, CA | 4,876 | $107,627 | 32.3% |
| Suncoast Estates, FL | 4,876 | $62,554 | 23.1% |
| St. Clair, MO | 4,878 | $61,025 | 25.0% |