| Index | Waterloo | Illinois | National |
| Income per capita | $35,376 | $31,502 | $29,829 |
| Median household income | $71,207 | $59,196 | $55,322 |
| Median income owner occupied | $88,140 | $75,354 | $70,586 |
| Median income renter occupied | $37,978 | $34,488 | $35,192 |
| Median earnings male | $51,613 | $40,474 | $36,919 |
| Median earnings female | $36,796 | $27,197 | $26,250 |
| Unemployment rate | 2.2% | 5.3% | 4.7% |
| Poverty level | 3.1% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 8.4% | 8.4% |
| Manufacturing sector | 20.0% | 20.0% |
| Financial & insurance services | 4.4% | 4.4% |
| Wholesale & retail services | 14.1% | 14.1% |
| Public administration | 5.3% | 5.3% |
| Transportation, warehousing & utilities | 11.9% | 11.9% |
| Education, health & social services | 7.8% | 7.8% |
| Other | 25.5% | 25.5% |
| City | Population | Household Income | National Avg. |
| Grantwood Village, MO | 947 | $126,510 | 128.7% |
| Columbia, IL | 10,692 | $107,500 | 94.3% |
| Sunset Hills, MO | 8,466 | $100,972 | 82.5% |
| Crestwood, MO | 11,859 | $94,161 | 70.2% |
| Smithton, IL | 4,019 | $88,879 | 60.7% |
| Waterloo, IL | 10,417 | $71,207 | 28.7% |
| City | Population | Household Income | National Avg. |
| Pine Hill, NJ | 10,418 | $61,064 | 10.4% |
| Oak Hills, CA | 10,415 | $93,947 | 69.8% |
| Frederick, CO | 10,414 | $107,443 | 94.2% |
| Mono, ON | 10,413 | n/a | |
| Portage, WI | 10,412 | $52,183 | 5.7% |
| Waterloo, IL | 10,417 | $71,207 | 28.7% |
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