| Index | Hardin | Illinois | National |
| Income per capita | $36,051 | $47,397 | $44,883 |
| Median household income | $84,404 | $88,967 | $81,333 |
| Median income owner occupied | $109,315 | $111,557 | $106,172 |
| Median income renter occupied | $26,093 | $52,117 | $52,080 |
| Median earnings male | $40,479 | $60,185 | $54,343 |
| Median earnings female | $38,196 | $40,368 | $38,439 |
| Unemployment rate | 0.6% | 6.6% | 4.9% |
| Poverty level | 20.3% | 14.0% | 15.1% |

| 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 | 727 | $145,806 | 79.3% |
| Batchtown, IL | 209 | $100,154 | 23.1% |
| Carrollton, IL | 2,661 | $91,392 | 12.4% |
| Grafton, IL | 688 | $84,528 | 3.9% |
| Winfield, MO | 2,007 | $80,964 | 0.5% |
| Hardin, IL | 855 | $84,404 | 3.8% |
| City | Population | Household Income | National Avg. |
| Rolling Hills CDP, CA | 855 | $155,806 | 91.6% |
| Libertytown, MD | 855 | $128,544 | 58.0% |
| Mendon, MI | 855 | $97,226 | 19.5% |
| Osceola, NE | 855 | $102,233 | 25.7% |
| Arlington Heights, OH | 855 | $54,405 | 33.1% |
| Hardin, IL | 855 | $84,404 | 3.8% |