| Index | Oak Brook | Illinois | National |
| Income per capita | $117,293 | $47,397 | $44,883 |
| Median household income | $212,522 | $88,967 | $81,333 |
| Median income owner occupied | $213,187 | $111,557 | $106,172 |
| Median income renter occupied | $145,110 | $52,117 | $52,080 |
| Median earnings male | $172,043 | $60,185 | $54,343 |
| Median earnings female | $111,349 | $40,368 | $38,439 |
| Unemployment rate | 4.8% | 6.6% | 4.9% |
| Poverty level | 4.2% | 14.0% | 15.1% |

| 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 | 17,817 | $308,069 | 278.8% |
| Western Springs, IL | 13,775 | $278,415 | 242.3% |
| Burr Ridge, IL | 10,988 | $230,698 | 183.6% |
| Plainfield, IL | 45,974 | $198,573 | 144.1% |
| Naperville, IL | 151,582 | $193,565 | 138.0% |
| Oak Brook, IL | 8,377 | $212,522 | 161.3% |
| City | Population | Household Income | National Avg. |
| Hillsdale, MI | 8,376 | $60,834 | 25.2% |
| Summit Park, UT | 8,374 | $207,802 | 155.5% |
| St. Martin, MS | 8,380 | $78,118 | 4.0% |
| Banff, AB | 8,380 | n/a | |
| London, KY | 8,371 | $60,253 | 25.9% |
| Oak Brook, IL | 8,377 | $212,522 | 161.3% |