Unshakable ZIP Data 60523 | Oak Brook, IL Housing Market
Oak Brook · DuPage County · Chicago-Naperville-Elgin, IL-IN-WI metro · Illinois · Data updated June 19, 2026
The median sale price in ZIP 60523, Oak Brook, Illinois is $699,792 at $251 per square foot. 38 single-family homes sold in the latest period, up 12.0 percent from a year earlier. Homes sit a median of 64 days on market with 4.1 months of supply. Sellers are getting 98.0 percent of list price and 18.9 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $1,119,544 | |
| Average price per sq ft | $401 | |
| Median sale price | $699,792 | |
| Median sale price per sq ft | $251 | |
| Median home size | 2,791 sq ft | |
| Median new listing price | $991,524 | -4.9% |
| National size rank | 9,980 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 38 | +12.0% |
| Median days on market | 64 days | |
| Months of supply | 4.1 months | |
| New listings | 55 | +5.4% |
| Active listings | 92 | -16.2% |
| Pending sales | 48 | +5.9% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 98.0% | +0.7 pts |
| Share sold above list | 18.9% | -1.7 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
1-bedroom
$174,605
2-bedroom
$492,664
3-bedroom
$752,912
4-bedroom
$1,168,375
5-bedroom
$1,717,085
These figures describe the single-family market for Oak Brook, Illinois ZIP 60523. They are market context, not a substitute for sold comps or a formal appraisal.