Average Rent in Oak Brook, IL (2026)
The average 1-bedroom rent in Oak Brook, IL is $2,170/month as of 2026, based on HUD data across 1 ZIP codes. Rents have changed -0.1% year over year. Rents range from $2,170 to $2,170.
Average Rent · 1-Bedroom
$2,170/mo
Source: HUD Fair Market Rent · 1 zip codes
Year-over-Year
↓ -0.1%
Source: Apartment List, HUD Fair Market Rent
Data through
The average 1-bedroom rent in Oak Brook, IL is $2,170/month according to HUD FY2026 Fair Market Rent data, covering 1 ZIP codes. Rents have decreased 0.1% year-over-year. The average 1-bedroom rent in Oak Brook is 81% above the national average of $1,196/month.
Average rent in Oak Brook, IL ranges from $2,170 to $2,170 across 1 ZIP codes.
Based on local market data, a fair rent increase in Oak Brook, IL is approximately 0.1% for 2026. An increase above 0.1% exceeds the local market trend and may be worth negotiating.
Key Facts
Sources: Apartment List, HUD Fair Market Rent, HUD SAFMR, Rentcast. Updated February 2026.
How much is rent in Oak Brook, IL?
The average 1-bedroom rent in Oak Brook, IL is $2,170/month as of 2026, based on HUD data across 1 ZIP codes. Rents across Oak Brook are relatively uniform, clustering around $2,170/month. To afford this at the 30% rule, a household would need approximately $86,800/year.
Is rent going up in Oak Brook?
Rents in Oak Brook have decreased 0.1% year over year based on local market data. Declining rents may give renters leverage when negotiating renewals.
What is a fair rent increase in Oak Brook?
Based on local market data, a rent increase around 0.1% is in line with the Oak Brook market for 2026. An increase above that level exceeds the local trend and may be worth pushing back on. Check your specific increase with RenewalReply's free rent analysis tool.
Rent Trends in Oak Brook
-0.1%
Rents in Oak Brook are holding steady at -0.1% year-over-year.
ℹ Limited data
Market sources range from -4.0% to +0.8%
Sources: Apartment List, HUD Fair Market Rent
What Should Rent Cost in Oak Brook?
Typical rent ranges based on HUD benchmarks and market data. In areas with limited listing data, ranges reflect federal benchmarks and may be wider than actual market conditions.
A studio in Oak Brook typically rents for $2,040 – $2,346.
Rents above $2,698 are in the top 25% for this area.
A 1-bedroom in Oak Brook typically rents for $2,170 – $2,496.
Rents above $2,870 are in the top 25% for this area.
A 2-bedroom in Oak Brook typically rents for $2,450 – $2,818.
Rents above $3,241 are in the top 25% for this area.
A 3-bedroom in Oak Brook typically rents for $3,160 – $3,634.
Rents above $4,179 are in the top 25% for this area.
A 4-bedroom in Oak Brook typically rents for $3,650 – $4,198.
Rents above $4,828 are in the top 25% for this area.
Federal Rent Benchmarks for Oak Brook
HUD Fair Market Rents are federal rent benchmarks published annually by HUD. They provide a consistent baseline for comparing rents across areas.
Studio
$2,040
HUD Fair Market Rent
1-Bedroom
$2,170
HUD Fair Market Rent
2-Bedroom
$2,450
HUD Fair Market Rent
3-Bedroom
$3,160
HUD Fair Market Rent
4-Bedroom
$3,650
HUD Fair Market Rent
Source: HUD SAFMR FY2026 · Updated
Zip Codes in Oak Brook
Click any zip code for detailed rent data including zip-specific SAFMR rates, nearby comparables, and a free rent increase check.
HUD publishes a single Fair Market Rent for the entire Chicago-Joliet-Naperville, IL HUD Metro FMR Area metro area. For zip-level variation, the tool uses additional data sources including real-time comparable listings and local market indices.
All zip codes in Oak Brook share the same county-level HUD Fair Market Rent ($2,170 for 1-BR). Click any zip for SAFMR-specific rates.
County-level FMR shown in city summary above.
How Does Oak Brook Compare?
Questions about rent in Oak Brook
What is the average 1-bedroom rent in Oak Brook, IL?
The average 1-bedroom fair market rent in Oak Brook, IL is $2,170/month as of 2026, based on HUD rent data across 1 ZIP codes in the city. This is 81% above the national average of $1,196/month. Rents range from $2,170 to $2,170 depending on ZIP code.
What is a fair rent increase in Oak Brook?
A rent increase up to about 0.1% is broadly in line with the recent market trend in Oak Brook. Increases above that level are above trend and should be tested against neighborhood-level pricing and comparable rentals. The current average 1-BR rent is $2,170/month.
Are rents going up or down in Oak Brook?
Rents in Oak Brook have decreased 0.1% year over year based on local market data. This reflects local market conditions across 1 ZIP codes in the Chicago-Joliet-Naperville, IL HUD Metro FMR Area area.
How much do rents vary across Oak Brook?
1-bedroom rents across Oak Brook range from $2,170 to $2,170 on this page, a $0/month spread. This shows that rent can vary materially across ZIP codes within the same city, reflecting neighborhood-level differences in housing stock and demand.
Can my landlord raise my rent in Oak Brook?
We could not identify a city-specific rent cap for Oak Brook. Landlords must still follow applicable state and local notice rules before raising rent at lease renewal. Requirements vary — check your state's landlord-tenant statute for specifics on notice periods and timing.
How much should I spend on rent in Oak Brook?
The general guideline is to spend no more than 30% of your gross income on rent. With average 1-bedroom rent in Oak Brook at $2,170/month, a household would need approximately $86,800/year in gross income to afford this comfortably. Many renters in high-cost areas spend above this threshold — our free tool can help you assess whether your specific rent is fair for your ZIP code.
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Renter Tools
Browse Oak Brook ZIP Codes
See rent data by ZIP code in this city.
Renter Guides
- How to Negotiate a Rent Increase →
A data-driven guide with free email templates for pushing back on your landlord.
- Rent Increase Laws in Illinois →
See notice rules, caps, and tenant protections in Illinois.
- What Should I Pay for Rent? →
How to compare rent prices and know if you're getting a fair deal.
Market data updated monthly from public and third-party sources. Actual rents vary by unit, building, and lease terms. For informational purposes only — not legal or financial advice. See methodology →