| Index | Rapids City | Illinois | National |
| Income per capita | $34,944 | $31,502 | $29,829 |
| Median household income | $84,583 | $59,196 | $55,322 |
| Median income owner occupied | $87,321 | $75,354 | $70,586 |
| Median income renter occupied | $0 | $34,488 | $35,192 |
| Median earnings male | $74,063 | $40,474 | $36,919 |
| Median earnings female | $42,875 | $27,197 | $26,250 |
| Unemployment rate | 1.2% | 5.3% | 4.7% |
| Poverty level | 10.4% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 20.6% | 20.6% |
| Manufacturing sector | 23.0% | 23.0% |
| Financial & insurance services | 1.0% | 1.0% |
| Wholesale & retail services | 9.8% | 9.8% |
| Public administration | 2.9% | 2.9% |
| Transportation, warehousing & utilities | 6.9% | 6.9% |
| Education, health & social services | 11.3% | 11.3% |
| Other | 24.5% | 24.5% |
| City | Population | Household Income | National Avg. |
| Coyne Center, IL | 1,102 | $116,116 | 109.9% |
| Long Grove, IA | 893 | $108,281 | 95.7% |
| Erie, IL | 1,865 | $85,750 | 55.0% |
| Bettendorf, IA | 36,214 | $85,404 | 54.4% |
| Port Byron, IL | 2,028 | $81,618 | 47.5% |
| Rapids City, IL | 1,010 | $84,583 | 52.9% |
| City | Population | Household Income | National Avg. |
| Chalfant, CA | 1,010 | $59,491 | 7.5% |
| Flovilla, GA | 1,010 | $45,625 | 17.5% |
| Poseyville, IN | 1,010 | $50,511 | 8.7% |
| Grant City, MO | 1,010 | $36,000 | 34.9% |
| Linton, ND | 1,010 | $33,194 | 40.0% |
| Rapids City, IL | 1,010 | $84,583 | 52.9% |
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