| Index | Mascoutah | Illinois | National |
| Income per capita | $44,804 | $47,397 | $44,883 |
| Median household income | $112,915 | $88,967 | $81,333 |
| Median income owner occupied | $126,521 | $111,557 | $106,172 |
| Median income renter occupied | $89,469 | $52,117 | $52,080 |
| Median earnings male | $69,983 | $60,185 | $54,343 |
| Median earnings female | $37,623 | $40,368 | $38,439 |
| Unemployment rate | 5.3% | 6.6% | 4.9% |
| Poverty level | 11.1% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 8.5% | 8.5% |
| Manufacturing sector | 8.4% | 8.4% |
| Financial & insurance services | 3.7% | 3.7% |
| Wholesale & retail services | 18.8% | 18.8% |
| Public administration | 15.6% | 15.6% |
| Transportation, warehousing & utilities | 6.6% | 6.6% |
| Education, health & social services | 8.7% | 8.7% |
| Other | 28.2% | 28.2% |
| City | Population | Household Income | National Avg. |
| Albers, IL | 1,422 | $142,186 | 74.8% |
| O'Fallon, IL | 30,151 | $132,987 | 63.5% |
| Smithton, IL | 4,157 | $130,324 | 60.2% |
| Shiloh, IL | 13,870 | $129,539 | 59.3% |
| St. Jacob, IL | 1,590 | $124,201 | 52.7% |
| Mascoutah, IL | 8,629 | $112,915 | 38.8% |
| City | Population | Household Income | National Avg. |
| Harwood Heights, IL | 8,628 | $99,039 | 21.8% |
| Denison, IA | 8,630 | $79,496 | 2.3% |
| Columbia-Shuswap C, BC | 8,632 | n/a | |
| Millersville, PA | 8,625 | $83,702 | 2.9% |
| Half Moon, NC | 8,633 | $77,440 | 4.8% |
| Mascoutah, IL | 8,629 | $112,915 | 38.8% |