| Index | Salem | Illinois | National |
| Income per capita | $26,818 | $31,502 | $29,829 |
| Median household income | $48,022 | $59,196 | $55,322 |
| Median income owner occupied | $55,388 | $75,354 | $70,586 |
| Median income renter occupied | $24,909 | $34,488 | $35,192 |
| Median earnings male | $36,755 | $40,474 | $36,919 |
| Median earnings female | $24,855 | $27,197 | $26,250 |
| Unemployment rate | 4.6% | 5.3% | 4.7% |
| Poverty level | 20.1% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 5.9% | 5.9% |
| Manufacturing sector | 33.4% | 33.4% |
| Financial & insurance services | 1.7% | 1.7% |
| Wholesale & retail services | 11.3% | 11.3% |
| Public administration | 6.1% | 6.1% |
| Transportation, warehousing & utilities | 12.3% | 12.3% |
| Education, health & social services | 9.0% | 9.0% |
| Other | 19.9% | 19.9% |
| City | Population | Household Income | National Avg. |
| Irvington, IL | 588 | $58,438 | 5.6% |
| Patoka, IL | 585 | $52,917 | 4.3% |
| Junction City, IL | 581 | $45,750 | 17.3% |
| Sandoval, IL | 1,099 | $45,476 | 17.8% |
| Central City, IL | 1,353 | $42,455 | 23.3% |
| Salem, IL | 6,988 | $48,022 | 13.2% |
| City | Population | Household Income | National Avg. |
| Pike Creek, DE | 6,987 | $121,750 | 120.1% |
| Spring Hill, KS | 6,992 | $85,244 | 54.1% |
| Nibley, UT | 6,993 | $90,650 | 63.9% |
| Clinton, IL | 6,982 | $46,741 | 15.5% |
| Mead, WA | 6,995 | $70,582 | 27.6% |
| Salem, IL | 6,988 | $48,022 | 13.2% |