| Index | Sheldon | Illinois | National |
| Income per capita | $24,223 | $31,502 | $29,829 |
| Median household income | $36,506 | $59,196 | $55,322 |
| Median income owner occupied | $47,614 | $75,354 | $70,586 |
| Median income renter occupied | $31,019 | $34,488 | $35,192 |
| Median earnings male | $34,167 | $40,474 | $36,919 |
| Median earnings female | $19,891 | $27,197 | $26,250 |
| Unemployment rate | 12.1% | 5.3% | 4.7% |
| 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 | 346 | $65,625 | 18.6% |
| Iroquois, IL | 287 | $61,964 | 12.0% |
| Earl Park, IN | 353 | $52,917 | 4.3% |
| Beaverville, IL | 370 | $49,464 | 10.6% |
| Woodland, IL | 338 | $48,958 | 11.5% |
| Sheldon, IL | 1,198 | $36,506 | 34.0% |
| City | Population | Household Income | National Avg. |
| West Blocton, AL | 1,198 | $36,667 | 33.7% |
| Ash Flat, AR | 1,198 | $29,556 | 46.6% |
| Juno Ridge, FL | 1,198 | $53,975 | 2.4% |
| Wanatah, IN | 1,198 | $60,729 | 9.8% |
| Springville, VA | 1,198 | $45,313 | 18.1% |
| Sheldon, IL | 1,198 | $36,506 | 34.0% |