| Index | Monticello | Illinois | National |
| Income per capita | $33,845 | $31,502 | $29,829 |
| Median household income | $76,667 | $59,196 | $55,322 |
| Median income owner occupied | $86,599 | $75,354 | $70,586 |
| Median income renter occupied | $39,893 | $34,488 | $35,192 |
| Median earnings male | $43,720 | $40,474 | $36,919 |
| Median earnings female | $32,903 | $27,197 | $26,250 |
| Unemployment rate | 1.6% | 5.3% | 4.7% |
| Poverty level | 8.4% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 9.2% | 9.2% |
| Manufacturing sector | 18.2% | 18.2% |
| Financial & insurance services | 6.4% | 6.4% |
| Wholesale & retail services | 16.0% | 16.0% |
| Public administration | 4.7% | 4.7% |
| Transportation, warehousing & utilities | 10.8% | 10.8% |
| Education, health & social services | 22.1% | 22.1% |
| Other | 12.6% | 12.6% |
| City | Population | Household Income | National Avg. |
| Mahomet, IL | 8,888 | $113,871 | 105.8% |
| Seymour, IL | 145 | $105,893 | 91.4% |
| White Heath, IL | 153 | $89,297 | 61.4% |
| Farmer City, IL | 2,063 | $66,591 | 20.4% |
| Argenta, IL | 1,051 | $61,905 | 11.9% |
| Monticello, IL | 5,815 | $76,667 | 38.6% |
| City | Population | Household Income | National Avg. |
| St. Johnsbury, VT | 5,815 | $40,744 | 26.4% |
| Elsmere, DE | 5,814 | $62,377 | 12.8% |
| Alma, AR | 5,816 | $35,352 | 36.1% |
| Little Silver, NJ | 5,817 | $202,875 | 266.7% |
| Monroeville, AL | 5,812 | $29,543 | 46.6% |
| Monticello, IL | 5,815 | $76,667 | 38.6% |
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