| Index | Newark | Illinois | National |
| Income per capita | $29,859 | $31,502 | $29,829 |
| Median household income | $73,000 | $59,196 | $55,322 |
| Median income owner occupied | $83,854 | $75,354 | $70,586 |
| Median income renter occupied | $35,781 | $34,488 | $35,192 |
| Median earnings male | $42,404 | $40,474 | $36,919 |
| Median earnings female | $21,406 | $27,197 | $26,250 |
| Unemployment rate | 1.4% | 5.3% | 4.7% |
| Poverty level | 3.5% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 15.8% | 0.7% |
| Manufacturing sector | 12.2% | 2.9% |
| Financial & insurance services | 1.6% | 4.7% |
| Wholesale & retail services | 9.3% | 15.6% |
| Public administration | 10.0% | 0.7% |
| Transportation, warehousing & utilities | 8.7% | 1.5% |
| Education, health & social services | 9.0% | 31.6% |
| Other | 33.4% | 34.2% |
| City, State | Population | Household Income | National Avg. |
| Oswego, IL | 33,245 | $97,537 | 76% |
| Lake Holiday, IL | 4,718 | $91,220 | 65% |
| Plattville, IL | 254 | $90,313 | 63% |
| Yorkville, IL | 18,436 | $85,045 | 54% |
| Montgomery, IL | 19,055 | $80,900 | 46% |
| Newark, IL | 1,139 | $73,000 | 32% |
| City, State | Population | Household Income | National Avg. |
| Cotton Valley, LA | 1,139 | $26,286 | 52% |
| Lakewood Club, MI | 1,139 | $47,292 | 15% |
| Coffeeville, MS | 1,139 | $28,086 | 49% |
| Big Rock, IL | 1,139 | $78,438 | 42% |
| Spring Glen, UT | 1,139 | $50,795 | 8% |
| Newark, IL | 1,139 | $73,000 | 32% |
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