| Index | Karnak | Illinois | National |
| Income per capita | $23,237 | $47,397 | $44,883 |
| Median household income | $53,189 | $88,967 | $81,333 |
| Median income owner occupied | $61,703 | $111,557 | $106,172 |
| Median income renter occupied | $24,452 | $52,117 | $52,080 |
| Median earnings male | $0 | $60,185 | $54,343 |
| Median earnings female | $30,675 | $40,368 | $38,439 |
| Unemployment rate | 2.0% | 6.6% | 4.9% |
| Poverty level | 16.2% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 26.4% | 26.4% |
| Manufacturing sector | 9.4% | 9.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 24.5% | 24.5% |
| Public administration | 1.9% | 1.9% |
| Transportation, warehousing & utilities | 3.8% | 3.8% |
| Education, health & social services | 13.2% | 13.2% |
| Other | 20.8% | 20.8% |
| City | Population | Household Income | National Avg. |
| Bandana, KY | 311 | $182,281 | 124.1% |
| Ullin, IL | 595 | $89,466 | 10.0% |
| Simpson, IL | 71 | $72,988 | 10.3% |
| Buncombe, IL | 292 | $67,349 | 17.2% |
| Kevil, KY | 789 | $65,054 | 20.0% |
| Karnak, IL | 490 | $53,189 | 34.6% |
| City | Population | Household Income | National Avg. |
| Garden Valley, ID | 490 | $0 | 100.0% |
| Spring Bay, IL | 490 | $56,373 | 30.7% |
| Williams Creek, IN | 490 | $206,710 | 154.2% |
| Naytahwaush, MN | 490 | $45,148 | 44.5% |
| White Earth, MN | 490 | $32,185 | 60.4% |
| Karnak, IL | 490 | $53,189 | 34.6% |