| Index | Belleville | Illinois | National |
| Income per capita | $41,953 | $47,397 | $44,883 |
| Median household income | $80,172 | $88,967 | $81,333 |
| Median income owner occupied | $98,612 | $111,557 | $106,172 |
| Median income renter occupied | $45,040 | $52,117 | $52,080 |
| Median earnings male | $53,650 | $60,185 | $54,343 |
| Median earnings female | $48,391 | $40,368 | $38,439 |
| Unemployment rate | 3.3% | 6.6% | 4.9% |
| 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 | 10,985 | $158,048 | 94.3% |
| O'Fallon, IL | 30,151 | $132,987 | 63.5% |
| Smithton, IL | 4,157 | $130,324 | 60.2% |
| Shiloh, IL | 13,870 | $129,539 | 59.3% |
| St. Jacob, IL | 1,590 | $124,201 | 52.7% |
| Belleville, IL | 42,499 | $80,172 | 1.4% |
| City | Population | Household Income | National Avg. |
| Leominster, MA | 42,480 | $93,562 | 15.0% |
| Kearny, NJ | 42,471 | $110,794 | 36.2% |
| Findlay, OH | 42,458 | $72,522 | 10.8% |
| Westfield, MA | 42,547 | $109,240 | 34.3% |
| Woodlawn, MD | 42,611 | $104,162 | 28.1% |
| Belleville, IL | 42,499 | $80,172 | 1.4% |