| Index | Johnston City | Illinois | National |
| Income per capita | $24,084 | $31,502 | $29,829 |
| Median household income | $37,500 | $59,196 | $55,322 |
| Median income owner occupied | $47,750 | $75,354 | $70,586 |
| Median income renter occupied | $16,563 | $34,488 | $35,192 |
| Median earnings male | $27,121 | $40,474 | $36,919 |
| Median earnings female | $37,271 | $27,197 | $26,250 |
| Unemployment rate | 3.1% | 5.3% | 4.7% |
| Poverty level | 12.4% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 21.4% | 21.4% |
| Financial & insurance services | 2.4% | 2.4% |
| Wholesale & retail services | 4.3% | 4.3% |
| Public administration | 6.5% | 6.5% |
| Transportation, warehousing & utilities | 10.8% | 10.8% |
| Education, health & social services | 10.8% | 10.8% |
| Other | 41.3% | 41.3% |
| City | Population | Household Income | National Avg. |
| Bush, IL | 303 | $67,639 | 22.3% |
| Crainville, IL | 1,372 | $59,643 | 7.8% |
| Spillertown, IL | 241 | $59,375 | 7.3% |
| Carterville, IL | 5,861 | $58,362 | 5.5% |
| North City, IL | 683 | $57,500 | 3.9% |
| Johnston City, IL | 3,414 | $37,500 | 32.2% |
| City | Population | Household Income | National Avg. |
| Day Valley, CA | 3,414 | $145,139 | 162.4% |
| West Liberty, KY | 3,414 | $39,842 | 28.0% |
| Hanover, MN | 3,414 | $116,458 | 110.5% |
| New Hampton, IA | 3,413 | $44,079 | 20.3% |
| Maiden, NC | 3,413 | $78,667 | 42.2% |
| Johnston City, IL | 3,414 | $37,500 | 32.2% |