| Index | Marseilles | Illinois | National |
| Income per capita | $38,888 | $47,397 | $44,883 |
| Median household income | $77,349 | $88,967 | $81,333 |
| Median income owner occupied | $95,022 | $111,557 | $106,172 |
| Median income renter occupied | $54,017 | $52,117 | $52,080 |
| Median earnings male | $60,027 | $60,185 | $54,343 |
| Median earnings female | $36,806 | $40,368 | $38,439 |
| Unemployment rate | 4.4% | 6.6% | 4.9% |
| Poverty level | 20.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 18.5% | 18.5% |
| Manufacturing sector | 16.3% | 16.3% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 11.4% | 11.4% |
| Public administration | 0.8% | 0.8% |
| Transportation, warehousing & utilities | 19.6% | 19.6% |
| Education, health & social services | 4.0% | 4.0% |
| Other | 24.1% | 24.1% |
| City | Population | Household Income | National Avg. |
| Newark, IL | 1,376 | $150,603 | 85.2% |
| Dayton, IL | 492 | $130,306 | 60.2% |
| Kinsman, IL | 100 | $120,864 | 48.6% |
| Seneca, IL | 2,603 | $113,447 | 39.5% |
| Sheridan, IL | 2,894 | $105,862 | 30.2% |
| Marseilles, IL | 4,712 | $77,349 | 4.9% |
| City | Population | Household Income | National Avg. |
| Creedmoor, NC | 4,714 | $117,698 | 44.7% |
| Kings Park, VA | 4,708 | $215,709 | 165.2% |
| Scott City, MO | 4,716 | $67,683 | 16.8% |
| Saint-Jean-de-Matha, QC | 4,707 | n/a | |
| Oak Hill, TN | 4,717 | $278,346 | 242.2% |
| Marseilles, IL | 4,712 | $77,349 | 4.9% |