| Index | Grantfork | Illinois | National |
| Income per capita | $56,865 | $47,397 | $44,883 |
| Median household income | $128,474 | $88,967 | $81,333 |
| Median income owner occupied | $138,232 | $111,557 | $106,172 |
| Median income renter occupied | $0 | $52,117 | $52,080 |
| Median earnings male | $68,177 | $60,185 | $54,343 |
| Median earnings female | $55,529 | $40,368 | $38,439 |
| Unemployment rate | 2.1% | 6.6% | 4.9% |
| Poverty level | 5.7% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 17.5% | 17.5% |
| Manufacturing sector | 13.6% | 13.6% |
| Financial & insurance services | 1.9% | 1.9% |
| Wholesale & retail services | 10.4% | 10.4% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 7.8% | 7.8% |
| Education, health & social services | 9.1% | 9.1% |
| Other | 39.0% | 39.0% |
| City | Population | Household Income | National Avg. |
| Holiday Shores, IL | 3,157 | $152,229 | 87.2% |
| St. Jacob, IL | 1,590 | $124,201 | 52.7% |
| Aviston, IL | 2,259 | $119,558 | 47.0% |
| Troy, IL | 10,601 | $114,546 | 40.8% |
| Breese, IL | 4,250 | $104,542 | 28.5% |
| Grantfork, IL | 494 | $128,474 | 58.0% |
| City | Population | Household Income | National Avg. |
| McCallsburg, IA | 494 | $92,255 | 13.4% |
| Florence, KS | 494 | $54,399 | 33.1% |
| Robards, KY | 494 | $81,396 | 0.1% |
| Randolph, MN | 494 | $115,931 | 42.5% |
| Vermillion, MN | 494 | $117,869 | 44.9% |
| Grantfork, IL | 494 | $128,474 | 58.0% |