| Zip Code : | 60521 |
| City : | Burr Ridge village, Clarendon Hills village, Hinsdale village, Oak Brook village, Westmont village, Willowbrook village |
| County : | Cook County, DuPage County |
| State : | Illinois (IL) |
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| Land Area : | 4.71 sq mi |
| Water Area : | 0.11 sq mi |
| Latitude : | 41.8006826 |
| Longitude : | -87.9281725 |
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| Population (2010): | 17,597 |
| Population Estimate (2012) : | 17,530 |
| Population Density : | 3,734.22/sq mi |
| Housing Units (2012) : | 6,308 |
| Median Household Income (2012) : | $163,333 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $200,536 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $804,000 (Illinois : $190,800, USA : $181,400) |