| Index | Belleville | Illinois | National |
| Income per capita | $27,896 | $31,502 | $29,829 |
| Median household income | $52,843 | $59,196 | $55,322 |
| Median income owner occupied | $65,466 | $75,354 | $70,586 |
| Median income renter occupied | $30,611 | $34,488 | $35,192 |
| Median earnings male | $36,342 | $40,474 | $36,919 |
| Median earnings female | $32,282 | $27,197 | $26,250 |
| Unemployment rate | 3.1% | 5.3% | 4.7% |
| Poverty level | 11.9% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 11.2% | 11.2% |
| Manufacturing sector | 13.8% | 13.8% |
| Financial & insurance services | 2.7% | 2.7% |
| Wholesale & retail services | 10.6% | 10.6% |
| Public administration | 8.0% | 8.0% |
| Transportation, warehousing & utilities | 13.6% | 13.6% |
| Education, health & social services | 12.1% | 12.1% |
| Other | 26.9% | 26.9% |
| City | Population | Household Income | National Avg. |
| Columbia, IL | 10,692 | $107,500 | 94.3% |
| O'Fallon, IL | 29,487 | $90,432 | 63.5% |
| Smithton, IL | 4,019 | $88,879 | 60.7% |
| Shiloh, IL | 13,465 | $87,076 | 57.4% |
| Maryville, IL | 7,962 | $84,293 | 52.4% |
| Belleville, IL | 41,256 | $52,843 | 4.5% |
| City | Population | Household Income | National Avg. |
| Bremerton, WA | 41,258 | $57,963 | 4.8% |
| Greenacres, FL | 41,242 | $47,840 | 13.5% |
| Moline, IL | 41,213 | $57,475 | 3.9% |
| Westfield, MA | 41,303 | $74,456 | 34.6% |
| Kearny, NJ | 41,190 | $73,554 | 33.0% |
| Belleville, IL | 41,256 | $52,843 | 4.5% |