| Index | Willowbrook CDP | Illinois | National |
| Income per capita | $49,406 | $47,397 | $44,883 |
| Median household income | $95,667 | $88,967 | $81,333 |
| Median income owner occupied | $97,784 | $111,557 | $106,172 |
| Median income renter occupied | $0 | $52,117 | $52,080 |
| Median earnings male | $58,419 | $60,185 | $54,343 |
| Median earnings female | $45,265 | $40,368 | $38,439 |
| Unemployment rate | 10.1% | 6.6% | 4.9% |
| Poverty level | 7.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 8.6% | 0.0% |
| Manufacturing sector | 10.3% | 2.6% |
| Financial & insurance services | 6.5% | 4.8% |
| Wholesale & retail services | 15.4% | 13.1% |
| Public administration | 1.0% | 0.0% |
| Transportation, warehousing & utilities | 12.8% | 11.6% |
| Education, health & social services | 2.3% | 32.1% |
| Other | 40.8% | 32.8% |
| 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% |
| Oak Brook, IL | 8,377 | $212,522 | 161.3% |
| Naperville, IL | 151,582 | $193,565 | 138.0% |
| Willowbrook CDP, IL | 2,044 | $95,667 | 17.6% |
| City | Population | Household Income | National Avg. |
| Glenwood, AR | 2,044 | $43,367 | 46.7% |
| Santa Nella, CA | 2,044 | $110,311 | 35.6% |
| Yorklyn, PA | 2,044 | $90,249 | 11.0% |
| Richibucto 15, NB | 2,044 | n/a | |
| Morris, AL | 2,045 | $126,712 | 55.8% |
| Willowbrook CDP, IL | 2,044 | $95,667 | 17.6% |