| Index | Dorchester | Illinois | National |
| Income per capita | $45,229 | $47,397 | $44,883 |
| Median household income | $115,500 | $88,967 | $81,333 |
| Median income owner occupied | $119,495 | $111,557 | $106,172 |
| Median income renter occupied | $0 | $52,117 | $52,080 |
| Median earnings male | $69,391 | $60,185 | $54,343 |
| Median earnings female | $97,246 | $40,368 | $38,439 |
| Unemployment rate | 3.2% | 6.6% | 4.9% |
| Poverty level | 1.3% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 23.5% | 23.5% |
| Manufacturing sector | 2.9% | 2.9% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 2.9% | 2.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 5.9% | 5.9% |
| Education, health & social services | 50.0% | 50.0% |
| Other | 14.7% | 14.7% |
| City | Population | Household Income | National Avg. |
| Holiday Shores, IL | 3,157 | $152,229 | 87.2% |
| Rosewood Heights, IL | 4,146 | $121,285 | 49.1% |
| Hamel, IL | 830 | $103,749 | 27.6% |
| Bethalto, IL | 9,570 | $101,214 | 24.4% |
| East Gillespie, IL | 250 | $95,696 | 17.7% |
| Dorchester, IL | 154 | $115,500 | 42.0% |
| City | Population | Household Income | National Avg. |
| Nightmute, AK | 154 | $72,085 | 11.4% |
| Billingsley, AL | 154 | $33,256 | 59.1% |
| Calvert, AL | 154 | $39,901 | 50.9% |
| Cutter, AZ | 154 | $0 | 100.0% |
| Montezuma, CO | 154 | $0 | 100.0% |
| Dorchester, IL | 154 | $115,500 | 42.0% |