| Index | Newark | Illinois | National |
| Income per capita | $36,725 | $31,502 | $29,829 |
| Median household income | $101,750 | $59,196 | $55,322 |
| Median income owner occupied | $113,051 | $75,354 | $70,586 |
| Median income renter occupied | $48,333 | $34,488 | $35,192 |
| Median earnings male | $54,808 | $40,474 | $36,919 |
| Median earnings female | $24,107 | $27,197 | $26,250 |
| Unemployment rate | 2.2% | 5.3% | 4.7% |
| Poverty level | 8.6% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 9.9% | 9.9% |
| Manufacturing sector | 11.9% | 11.9% |
| Financial & insurance services | 1.2% | 1.2% |
| Wholesale & retail services | 6.7% | 6.7% |
| Public administration | 6.4% | 6.4% |
| Transportation, warehousing & utilities | 26.2% | 26.2% |
| Education, health & social services | 5.2% | 5.2% |
| Other | 30.8% | 30.8% |
| City | Population | Household Income | National Avg. |
| Yorkville, IL | 19,386 | $101,245 | 83.0% |
| Montgomery, IL | 19,515 | $99,208 | 79.3% |
| Oswego, IL | 35,470 | $97,330 | 75.9% |
| Millbrook, IL | 357 | $91,875 | 66.1% |
| Plattville, IL | 190 | $87,083 | 57.4% |
| Newark, IL | 1,325 | $101,750 | 83.9% |
| City | Population | Household Income | National Avg. |
| Donovan Estates, AZ | 1,325 | $44,231 | 20.0% |
| Hawi, HI | 1,325 | $82,422 | 49.0% |
| Norris City, IL | 1,325 | $33,250 | 39.9% |
| Muhlenberg Park, PA | 1,325 | $86,466 | 56.3% |
| St. Vincent College, PA | 1,325 | $0 | 100.0% |
| Newark, IL | 1,325 | $101,750 | 83.9% |
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