Area data
Oak Brook, IL — ZIP 60521
Population: 18,056 (Census ACS)
The typical home value in ZIP 60521 (Oak Brook, IL) is $1.27M — up 9.5% over the past year. Homes sell for a median $1.54M after a median 52 days on market. Typical rent runs $3,900/month. 6 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with cold wave, strong wind, tornado the top-rated hazards. Cost of living is at the US average (BEA, metro/state-level).
$1.27M
Typical home value
+9.5%
1-year change
52
Median days on market
Relatively High
Hazard risk (county)
Home values & appreciation
- Typical home value
- $1.27M
- 1-year appreciation
- +9.5%
- 3-year appreciation
- +25.9%
- 5-year appreciation
- +38.1%
- 10-year appreciation
- +41.2%
- Peak value since 2000 (Aug 2026)
- $1.27M
- House Price Index (state)
- 340.3 (+5.5% YoY)
Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)
Market activity
- Median sale price
- $1.54M
- Median list price
- $1.35M
- Median price per sqft
- $404
- 1-year sale-price change
- +11.0%
- Median days on market
- 52 days
- Homes sold (recent period)
- 96
- For-sale inventory
- 63
- Sale-to-list ratio
- 97.8%
- Active listings
- 61
- 1-year forecast
- +3.2%
- Days to pending
- 54 days
- New listings (monthly)
- 21
Source: recent area sales and market data (ZIP-level)
Rents
- Typical rent
- $3,900/mo
- Studio fair-market rent
- $1,678/mo
- 1BR fair-market rent
- $1,780/mo
- 2BR fair-market rent
- $2,011/mo
- 3BR fair-market rent
- $2,586/mo
- 4BR fair-market rent
- $2,954/mo
Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)
Affordability
- Cost of living index (Above Average)
- 100.0 (100 = US avg)
- Electricity rate (state-level)
- 17.7¢/kWh
- Natural gas rate (state-level)
- $11.30/MCF
- 30-year mortgage rate (national)
- 7.40%
- 15-year mortgage rate (national)
- 6.73%
Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)
Schools
- Total schools
- 6
- Elementary schools
- 4
- Middle schools
- 1
- High schools
- 1
- Avg student-teacher ratio
- 13.1 : 1
- School districts serving the area
- Hinsdale CCSD 181, Hinsdale Twp HSD 86
- Schools include
- Hinsdale Middle School, Madison Elem School, Monroe Elem School, Oak Elem School, The Lane Elem School
Source: NCES school directory, 2024-25 (school-address-based)
Natural hazards & flood risk
- Overall hazard risk (county)
- Relatively High
- Top hazards (county)
- cold wave, strong wind, tornado, inland flooding, lightning
- Notable hazard ratings (county)
- tornado: Very High · cold wave: Very High · strong wind: Very High · lightning: Relatively High · winter weather: Relatively High · inland flooding: Relatively High
- Most common flood zone among NFIP claims
- Zone AE
- NFIP flood claims on record
- 97
- Wildfire risk to homes (county)
- Higher than 22% of US counties
- Buildings in wildfire direct-exposure zone
- 4.5%
- Radon potential (county)
- Moderate radon potential — EPA Zone 2 of 3
- EPA Superfund (NPL) sites within 5 mi
- None
- Nearest Superfund site
- Lenz Oil Service, Inc. (6.5 mi)
Sources: FEMA National Risk Index (county-level) · FEMA NFIP flood-insurance claims (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL
Climate (30-year normals)
- Average annual temperature
- 53.0°F
- Average high
- 61.0°F
- Average low
- 44.0°F
- Annual precipitation
- 41.1 in
- Annual snowfall
- 21.0 in
- USDA plant hardiness zone
- 6a (extreme annual low -10 to -5°F)
Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 42
- Days with Good air quality
- 233
- Days with Moderate air quality
- 126
- Days with Unhealthy air quality
- 1
- Highest AQI recorded (year)
- 158
Source: EPA annual air quality index (county-level)
Walkability & transit
- Walkability index
- 9.8 / 20
- Transit service frequency
- -99,999
- Jobs reachable by car (30 min)
- 349,118
- Jobs reachable by transit (45 min)
- 289,849
Source: EPA Smart Location Database (metropolitan block groups)
Amenities
- National parks within ~60 mi
- 2
- Nearest national park
- Pullman National Historical Park (18 mi)
- National parks include
- Pullman National Historical Park, Indiana Dunes National Park
- Airports within 30 mi
- 19
- Nearest airport
- Brookeridge Air Park (6 mi)
- Nearest major airport
- Chicago Midway International Airport (MDW) (9 mi)
- Hospitals in or near this ZIP
- 1
- Hospitals include
- UCHICAGO MEDICINE ADVENTHEALTH HINSDALE
- Avg hospital rating (CMS)
- 5.0 / 5
- Best hospital rating nearby (CMS)
- 5.0 / 5
- EV charging stations (within 10 mi)
- 150
- Solar radiation rating
- Fair (3.9 kWh/m²/day)
Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)
Migration
- Net migration (county)
- -3,532 tax filers
Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)
Housing stock
- Median year housing built
- 1981
- Housing built before 1970
- 42.0%
- Housing built 2000 or later
- 29.9%
- Median annual property tax
- $10,001
- Mean commute to work
- 21 min
- Households with broadband internet
- 88.6%
Source: Census ACS 5-year estimates (ZIP-level)
Employment & development
- Total county employment
- 580,016
- Average weekly wage
- $1,590
- Top industries (by employment)
- Health Care, Professional Services, Administrative Services
- Annual residential building permits (county)
- 1,265
Sources: BLS QCEW (county-level) · Census Building Permits (county-level)
How it compares
| ZIP 60521 | State median | US median | |
|---|---|---|---|
| Typical home value | $1.27M | $194,869 | $288,527 |
| Median sale price | $1.54M | $212,000 | $325,000 |
| Median days on market | 52 days | 48 days | 51 days |
| Typical rent | $3,900/mo | $1,787/mo | $1,809/mo |
| Median annual property tax | $10,001 | $2,696 | $2,006 |
State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.
Area data compiled from public government, academic, and industry research feeds. Data sources →
Common questions
- What is the typical home value in ZIP 60521?
- $1.27M.
- What is the median sale price in ZIP 60521?
- $1.54M.
- How long do homes take to sell in ZIP 60521?
- Median days on market: 52 days.
- What is typical rent in ZIP 60521?
- Typical rent: $3,900/month.
- What is the natural-hazard risk in ZIP 60521?
- Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: cold wave, strong wind, tornado, inland flooding, lightning.
- Is ZIP 60521 in a flood zone?
- Flood zones vary by property within ZIP 60521. 97 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is AE. Check a specific address on the FEMA Flood Map Service Center.
- What is the wildfire risk in ZIP 60521?
- Risk to homes is higher than 22% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
- What is the radon potential in ZIP 60521?
- Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
- Are there Superfund sites near ZIP 60521?
- No current or proposed National Priorities List sites within 5 miles (EPA).
- How many schools serve ZIP 60521?
- 6 schools (4 elementary, 1 middle, 1 high) (NCES, 2024-25).
- Is ZIP 60521 walkable?
- Walkability index: 9.8/20 (EPA Smart Location Database).
- What is the air quality in ZIP 60521?
- Good. Median AQI: 42. (EPA AQI).
- What is the cost of living in ZIP 60521?
- Regional Price Parity: 100.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).
Nearby ZIP codes
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Data last updated
Most recent source refresh: Oct 2026. See all data sources →