| Index | Dupo | Illinois | National |
| Income per capita | $40,738 | $47,397 | $44,883 |
| Median household income | $59,331 | $88,967 | $81,333 |
| Median income owner occupied | $85,316 | $111,557 | $106,172 |
| Median income renter occupied | $41,888 | $52,117 | $52,080 |
| Median earnings male | $39,858 | $60,185 | $54,343 |
| Median earnings female | $39,255 | $40,368 | $38,439 |
| Unemployment rate | 4.9% | 6.6% | 4.9% |
| Poverty level | 16.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 15.9% | 15.9% |
| Manufacturing sector | 10.0% | 10.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 15.3% | 15.3% |
| Public administration | 2.0% | 2.0% |
| Transportation, warehousing & utilities | 9.0% | 9.0% |
| Education, health & social services | 4.0% | 4.0% |
| Other | 42.2% | 42.2% |
| City | Population | Household Income | National Avg. |
| Westwood, MO | 321 | $368,561 | 353.2% |
| Ladue, MO | 8,903 | $368,480 | 353.1% |
| Huntleigh, MO | 463 | $365,824 | 349.8% |
| Country Life Acres, MO | 54 | $365,640 | 349.6% |
| Town and Country, MO | 11,464 | $307,729 | 278.4% |
| Dupo, IL | 4,016 | $59,331 | 27.1% |
| City | Population | Household Income | National Avg. |
| Bonanza, GA | 4,016 | $85,894 | 5.6% |
| Nome, AK | 4,017 | $124,979 | 53.7% |
| Eastwood, LA | 4,017 | $72,142 | 11.3% |
| Thomasville, AL | 4,014 | $50,227 | 38.2% |
| Skippack, PA | 4,014 | $180,764 | 122.3% |
| Dupo, IL | 4,016 | $59,331 | 27.1% |