Market Overview
Home Prices in Oak Brook, IL
The median home value in Oak Brook, IL is $1,008,269 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 9.4% compared to a year ago and up 6.4% from two years prior.
Compared to the U.S. national median of $410,000, homes in Oak Brook are priced146% above average. Oak Brook is part of the Chicago-Naperville-Elgin, IL-IN-WI metro area.
Over the past five years, Oak Brook home values have risen by approximately38.7%, reflecting strong long-term appreciation in this market.
Price History
Oak Brook Home Price Trend
City Comparison
Oak Brook vs. National Median
At $1,008,269, homes in Oak Brook cost 146% above the national median of $410,000. Buyers in Oak Brook should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Oak Brook?
20% Down Payment
$201,654
on $1,008,269
Monthly P&I
$5,259/mo
30-yr @ 6.8%
Total Monthly Est.
~$6,679/mo
incl. taxes & insurance
Income Needed
$267,160
gross annual (30% rule)
10% Down Option
$100,827
+ PMI applies
Loan Amount (20% dn)
$806,615
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Oak Brook, IL?
The median home value in Oak Brook is $1,008,269 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 9.4% year-over-year.
How much have home prices changed in Oak Brook?
Over the past year, home values in Oak Brook have increased by 9.4%. Over five years, prices have risen approximately 38.7%.
How much do I need to earn to buy a home in Oak Brook?
To comfortably afford the median home price of $1,008,269 with a 20% down payment ($201,654) at today's rates (6.8%), you'd need a gross annual income of approximately $267,160. This assumes keeping total housing costs at or below 30% of gross income.
How does Oak Brook compare to the national average home price?
The national median home value is approximately $410,000. At $1,008,269, homes in Oak Brook are 146% above the national average.
What metro area is Oak Brook part of?
Oak Brook is part of the Chicago-Naperville-Elgin, IL-IN-WI metropolitan area. Home prices and market conditions can vary across the broader metro region.