| Index | Oak Brook | Illinois | National |
| Income per capita | $79,838 | $31,502 | $29,829 |
| Median household income | $140,743 | $59,196 | $55,322 |
| Median income owner occupied | $141,038 | $75,354 | $70,586 |
| Median income renter occupied | $97,112 | $34,488 | $35,192 |
| Median earnings male | $117,391 | $40,474 | $36,919 |
| Median earnings female | $75,481 | $27,197 | $26,250 |
| Unemployment rate | 4.6% | 5.3% | 4.7% |
| Poverty level | 4.2% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 2.4% | 2.4% |
| Manufacturing sector | 8.4% | 8.4% |
| Financial & insurance services | 8.5% | 8.5% |
| Wholesale & retail services | 16.3% | 16.3% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 3.4% | 3.4% |
| Education, health & social services | 33.6% | 33.6% |
| Other | 24.9% | 24.9% |
| City | Population | Household Income | National Avg. |
| Hinsdale, IL | 17,366 | $206,701 | 273.6% |
| Western Springs, IL | 13,247 | $184,412 | 233.3% |
| Burr Ridge, IL | 10,761 | $151,900 | 174.6% |
| Plainfield, IL | 44,857 | $131,241 | 137.2% |
| Naperville, IL | 147,734 | $127,648 | 130.7% |
| Oak Brook, IL | 8,085 | $140,743 | 154.4% |
| City | Population | Household Income | National Avg. |
| Ellsworth, ME | 8,085 | $60,718 | 9.8% |
| Garden City Park, NY | 8,087 | $113,459 | 105.1% |
| Bel Aire, KS | 8,082 | $84,605 | 52.9% |
| Northfield, NJ | 8,088 | $84,464 | 52.7% |
| Bellevue, PA | 8,088 | $49,991 | 9.6% |
| Oak Brook, IL | 8,085 | $140,743 | 154.4% |