| Index | Swansea | Illinois | National |
| Income per capita | $66,168 | $47,397 | $44,883 |
| Median household income | $122,386 | $88,967 | $81,333 |
| Median income owner occupied | $139,468 | $111,557 | $106,172 |
| Median income renter occupied | $70,942 | $52,117 | $52,080 |
| Median earnings male | $76,418 | $60,185 | $54,343 |
| Median earnings female | $46,884 | $40,368 | $38,439 |
| Unemployment rate | 2.4% | 6.6% | 4.9% |
| Poverty level | 5.0% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 7.9% | 7.9% |
| Manufacturing sector | 8.8% | 8.8% |
| Financial & insurance services | 3.7% | 3.7% |
| Wholesale & retail services | 18.8% | 18.8% |
| Public administration | 8.0% | 8.0% |
| Transportation, warehousing & utilities | 7.3% | 7.3% |
| Education, health & social services | 11.2% | 11.2% |
| Other | 31.5% | 31.5% |
| 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% |
| Swansea, IL | 14,604 | $122,386 | 50.5% |
| City | Population | Household Income | National Avg. |
| Willowick, OH | 14,602 | $95,719 | 17.7% |
| Viera West, FL | 14,609 | $102,826 | 26.4% |
| Metuchen, NJ | 14,596 | $203,442 | 150.1% |
| Phillipsburg, NJ | 14,613 | $81,208 | 0.2% |
| Setauket-East Setauket, NY | 14,614 | $196,903 | 142.1% |
| Swansea, IL | 14,604 | $122,386 | 50.5% |