| Index | Liberty | Illinois | National |
| Income per capita | $23,995 | $31,502 | $29,829 |
| Median household income | $63,333 | $59,196 | $55,322 |
| Median income owner occupied | $64,167 | $75,354 | $70,586 |
| Median income renter occupied | $0 | $34,488 | $35,192 |
| Median earnings male | $40,250 | $40,474 | $36,919 |
| Median earnings female | $27,917 | $27,197 | $26,250 |
| Unemployment rate | 3.6% | 5.3% | 4.7% |
| Poverty level | 1.8% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 4.3% | 4.3% |
| Manufacturing sector | 38.0% | 38.0% |
| Financial & insurance services | 2.2% | 2.2% |
| Wholesale & retail services | 23.9% | 23.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 9.8% | 9.8% |
| Education, health & social services | 6.5% | 6.5% |
| Other | 15.2% | 15.2% |
| City | Population | Household Income | National Avg. |
| Mound Station, IL | 141 | $70,625 | 27.7% |
| Kinderhook, IL | 307 | $65,268 | 18.0% |
| Columbus, IL | 80 | $63,750 | 15.2% |
| Payson, IL | 1,398 | $62,813 | 13.5% |
| Mendon, IL | 1,092 | $56,000 | 1.2% |
| Liberty, IL | 398 | $63,333 | 14.5% |
| City | Population | Household Income | National Avg. |
| Young, AZ | 398 | $38,819 | 29.8% |
| Lehigh, IA | 398 | $51,950 | 6.1% |
| Emden, IL | 398 | $55,000 | 0.6% |
| Saunemin, IL | 398 | $56,250 | 1.7% |
| Clear Lake, IN | 398 | $89,375 | 61.6% |
| Liberty, IL | 398 | $63,333 | 14.5% |
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