| Index | Sheldon | Illinois | National |
| Income per capita | $35,664 | $47,397 | $44,883 |
| Median household income | $54,764 | $88,967 | $81,333 |
| Median income owner occupied | $70,245 | $111,557 | $106,172 |
| Median income renter occupied | $46,706 | $52,117 | $52,080 |
| Median earnings male | $49,496 | $60,185 | $54,343 |
| Median earnings female | $29,051 | $40,368 | $38,439 |
| Unemployment rate | 12.7% | 6.6% | 4.9% |
| Poverty level | 16.7% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 9.4% | 9.4% |
| Manufacturing sector | 19.8% | 19.8% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 19.8% | 19.8% |
| Public administration | 1.6% | 1.6% |
| Transportation, warehousing & utilities | 10.4% | 10.4% |
| Education, health & social services | 7.5% | 7.5% |
| Other | 22.3% | 22.3% |
| City | Population | Household Income | National Avg. |
| Martinton, IL | 358 | $97,426 | 19.8% |
| Iroquois, IL | 293 | $91,653 | 12.7% |
| Earl Park, IN | 361 | $80,048 | 1.6% |
| Kentland, IN | 1,872 | $74,190 | 8.8% |
| Woodland, IL | 348 | $73,754 | 9.3% |
| Sheldon, IL | 1,222 | $54,764 | 32.7% |
| City | Population | Household Income | National Avg. |
| Sand Point, AK | 1,222 | $127,351 | 56.6% |
| Kibler, AR | 1,222 | $70,279 | 13.6% |
| Woodbury, GA | 1,222 | $39,470 | 51.5% |
| Laurens, IA | 1,222 | $65,019 | 20.1% |
| McCullom Lake, IL | 1,222 | $93,424 | 14.9% |
| Sheldon, IL | 1,222 | $54,764 | 32.7% |