| Index | Oak Brook | Illinois | National |
| Median home price | $770,700 | $174,800 | $184,700 |
| Median rent asked | $0 | $925 | $949 |
| Avg. people per household | 3.0 | 2.6 | 2.6 |
| Owner occupied households | 96.3% | 66.0% | 63.6% |
| Renter occupied households | 3.7% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Hodgkins, IL | 1,753 | $33,100 | 82% |
| Dixmoor, IL | 3,570 | $65,800 | 64% |
| Robbins, IL | 5,068 | $83,200 | 55% |
| Merrionette Park, IL | 1,973 | $120,700 | 35% |
| Hometown, IL | 4,216 | $122,800 | 34% |
| Oak Brook, IL | 8,085 | $770,700 | 317% |
| Population | Home Price | National Avg. | |
| Ellsworth, ME | 8,085 | $173,000 | 6% |
| Garden City Park, NY | 8,087 | $641,500 | 247% |
| Bel Aire, KS | 8,082 | $160,800 | 13% |
| Bellevue, PA | 8,088 | $133,300 | 28% |
| Northfield, NJ | 8,088 | $226,100 | 22% |
| Oak Brook, IL | 8,085 | $770,700 | 317% |
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