| Index | Freeburg | Illinois | National |
| Income per capita | $48,581 | $47,397 | $44,883 |
| Median household income | $98,043 | $88,967 | $81,333 |
| Median income owner occupied | $123,145 | $111,557 | $106,172 |
| Median income renter occupied | $54,838 | $52,117 | $52,080 |
| Median earnings male | $65,271 | $60,185 | $54,343 |
| Median earnings female | $53,957 | $40,368 | $38,439 |
| Unemployment rate | 1.6% | 6.6% | 4.9% |
| Poverty level | 10.5% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 13.7% | 13.7% |
| Manufacturing sector | 20.0% | 20.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 16.0% | 16.0% |
| Public administration | 6.2% | 6.2% |
| Transportation, warehousing & utilities | 7.7% | 7.7% |
| Education, health & social services | 11.6% | 11.6% |
| Other | 18.1% | 18.1% |
| City | Population | Household Income | National Avg. |
| 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% |
| Swansea, IL | 14,604 | $122,386 | 50.5% |
| Millstadt, IL | 3,967 | $117,203 | 44.1% |
| Freeburg, IL | 4,020 | $98,043 | 20.5% |
| City | Population | Household Income | National Avg. |
| Leland, MS | 4,020 | $61,048 | 24.9% |
| Florence, CO | 4,019 | $73,939 | 9.1% |
| Williamstown, KY | 4,019 | $61,053 | 24.9% |
| Battle Mountain, NV | 4,019 | $129,100 | 58.7% |
| Red Oaks Mill, NY | 4,018 | $173,035 | 112.7% |
| Freeburg, IL | 4,020 | $98,043 | 20.5% |