| Index | Hardin | Illinois | National |
| Income per capita | $24,596 | $31,502 | $29,829 |
| Median household income | $55,938 | $59,196 | $55,322 |
| Median income owner occupied | $72,604 | $75,354 | $70,586 |
| Median income renter occupied | $17,500 | $34,488 | $35,192 |
| Median earnings male | $27,188 | $40,474 | $36,919 |
| Median earnings female | $26,250 | $27,197 | $26,250 |
| Unemployment rate | 0.6% | 5.3% | 4.7% |
| Poverty level | 20.3% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 9.0% | 9.0% |
| Manufacturing sector | 15.8% | 15.8% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 21.8% | 21.8% |
| Public administration | 13.5% | 13.5% |
| Transportation, warehousing & utilities | 6.0% | 6.0% |
| Education, health & social services | 16.5% | 16.5% |
| Other | 17.3% | 17.3% |
| City | Population | Household Income | National Avg. |
| Elsah, IL | 701 | $97,500 | 76.2% |
| Batchtown, IL | 202 | $67,917 | 22.8% |
| Carrollton, IL | 2,590 | $60,280 | 9.0% |
| Grafton, IL | 672 | $55,625 | 0.5% |
| Winfield, MO | 1,954 | $54,821 | 0.9% |
| Hardin, IL | 831 | $55,938 | 1.1% |
| City | Population | Household Income | National Avg. |
| Pearl City, IL | 831 | $66,458 | 20.1% |
| Ridgway, IL | 831 | $39,575 | 28.5% |
| Annville, KY | 831 | $44,183 | 20.1% |
| Libertytown, MD | 831 | $86,719 | 56.8% |
| Tilghman Island, MD | 831 | $53,792 | 2.8% |
| Hardin, IL | 831 | $55,938 | 1.1% |