| Index | Plainville | Illinois | National |
| Income per capita | $22,803 | $31,502 | $29,829 |
| Median household income | $50,500 | $59,196 | $55,322 |
| Median income owner occupied | $55,625 | $75,354 | $70,586 |
| Median income renter occupied | $0 | $34,488 | $35,192 |
| Median earnings male | $31,250 | $40,474 | $36,919 |
| Median earnings female | $19,750 | $27,197 | $26,250 |
| Unemployment rate | 10.5% | 5.3% | 4.7% |
| Poverty level | 17.2% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 50.0% | 50.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 21.7% | 21.7% |
| Public administration | 3.3% | 3.3% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 3.3% | 3.3% |
| Other | 21.7% | 21.7% |
| City | Population | Household Income | National Avg. |
| El Dara, IL | 88 | $114,250 | 106.5% |
| Kinderhook, IL | 307 | $65,268 | 18.0% |
| Columbus, IL | 80 | $63,750 | 15.2% |
| Liberty, IL | 398 | $63,333 | 14.5% |
| Payson, IL | 1,398 | $62,813 | 13.5% |
| Plainville, IL | 285 | $50,500 | 8.7% |
| City | Population | Household Income | National Avg. |
| Sherrill, AR | 285 | $18,537 | 66.5% |
| Desert Center, CA | 285 | $33,750 | 39.0% |
| Barwick, GA | 285 | $31,750 | 42.6% |
| Kensett, IA | 285 | $33,750 | 39.0% |
| Dover, KY | 285 | $51,094 | 7.6% |
| Plainville, IL | 285 | $50,500 | 8.7% |
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