| Index | Brussels | Illinois | National |
| Income per capita | $38,541 | $47,397 | $44,883 |
| Median household income | $0 | $88,967 | $81,333 |
| Median income owner occupied | $0 | $111,557 | $106,172 |
| Median income renter occupied | $0 | $52,117 | $52,080 |
| Median earnings male | $58,993 | $60,185 | $54,343 |
| Median earnings female | $28,674 | $40,368 | $38,439 |
| Unemployment rate | 0.0% | 6.6% | 4.9% |
| Poverty level | 27.4% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 50.0% | 50.0% |
| Public administration | 8.3% | 8.3% |
| Transportation, warehousing & utilities | 12.5% | 12.5% |
| Education, health & social services | 8.3% | 8.3% |
| Other | 20.8% | 20.8% |
| City | Population | Household Income | National Avg. |
| Dardenne Prairie, MO | 13,884 | $200,259 | 146.2% |
| St. Paul, MO | 2,548 | $194,391 | 139.0% |
| Cottleville, MO | 5,566 | $182,674 | 124.6% |
| Chain of Rocks, MO | 260 | $180,118 | 121.5% |
| Lake St. Louis, MO | 16,749 | $147,806 | 81.7% |
| Brussels, IL | 117 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Martell, CA | 117 | $0 | 100.0% |
| Snelling, CA | 117 | $62,279 | 23.4% |
| Derby, IA | 117 | $62,783 | 22.8% |
| North Buena Vista, IA | 117 | $77,280 | 5.0% |
| Sailor Springs, IL | 117 | $93,118 | 14.5% |
| Brussels, IL | 117 | $0 | 100.0% |