| Index | Johnston City | Illinois | National |
| Income per capita | $36,159 | $47,397 | $44,883 |
| Median household income | $55,122 | $88,967 | $81,333 |
| Median income owner occupied | $71,652 | $111,557 | $106,172 |
| Median income renter occupied | $24,922 | $52,117 | $52,080 |
| Median earnings male | $40,555 | $60,185 | $54,343 |
| Median earnings female | $55,696 | $40,368 | $38,439 |
| Unemployment rate | 3.2% | 6.6% | 4.9% |
| 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 | 314 | $99,561 | 22.4% |
| Spillertown, IL | 248 | $89,994 | 10.6% |
| Carterville, IL | 6,046 | $88,555 | 8.9% |
| Crainville, IL | 1,425 | $87,370 | 7.4% |
| North City, IL | 698 | $87,155 | 7.2% |
| Johnston City, IL | 3,543 | $55,122 | 32.2% |
| City | Population | Household Income | National Avg. |
| Gothenburg, NE | 3,543 | $100,421 | 23.5% |
| Ticonderoga, NY | 3,542 | $75,420 | 7.3% |
| Trevose, PA | 3,542 | $98,137 | 20.7% |
| High Bridge, NJ | 3,544 | $143,057 | 75.9% |
| Eagle Grove, IA | 3,541 | $82,321 | 1.2% |
| Johnston City, IL | 3,543 | $55,122 | 32.2% |