Median Income
$158,663
household / year
Median Home Value
$825,600
owner-occupied
Median Rent
$3,501
gross / month
Cost of Living
103
national avg = 100

Is Oak Brook, IL a Good Place to Live?

Oak Brook is a small town of 8,065 in Illinois, with a median household income of $158,663 and a 10.4% unemployment rate. Its cost of living index is 103 (US average = 100), which is 3% above the national average.

Strengths: Oak Brook stands out for solid school ratings (A+), a well-educated population.

Trade-offs: Potential downsides include high home prices, an elevated unemployment rate. Whether Oak Brook is right for you depends on your priorities — the full breakdown is below.

All Oak Brook city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 102.6

Oak Brook's overall cost of living index is 102.6, where 100 represents the US national average. Living in Oak Brook costs roughly 3% more than the average American city.

Metric Oak Brook, IL National Avg
Median Home Value $825,600 $244,900
Median Monthly Rent $3,501 $1,163
Homeownership Rate 95.4% 65.9%
Median Household Income $158,663 $74,755

Crime & Safety

Near National Average

Oak Brook's violent crime rate is 62.4 per 100,000 residents — 84% lower than the national average of ~380 per 100,000.

Violent Crime
62.4 /100k
Property Crime
6325.6 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Oak Brook is served primarily by Butler SD 53. The student-to-teacher ratio is 7.6:1 (better than the national average of ~16:1).

Metric Oak Brook, IL National Avg
School District Butler SD 53 —
Elementary Schools 1 —
Middle Schools 1 —
High Schools N/A —
Student/Teacher Ratio 7.6:1 16:1
Bachelor's Degree or Higher 66.6% 35.4%
High School Diploma or Higher 97.0% 91.1%

Weather & Climate

Oak Brook sees average highs of 32.8°F in January and 85.5°F in July, with 39.7 inches of annual precipitation and 42.3 inches of snow per year.

MetricOak Brook, IL
Average High — January32.8°F
Average High — July85.5°F
Annual Precipitation39.7"
Annual Snowfall42.3"

Demographics

MetricOak Brook, ILNational Avg
Population8,065—
Median Age52.538.9
Unemployment Rate10.4%3.7%
Avg Commute Time26.9 min26 min
White (non-Hispanic)62.9%59.3%
Black or African American1.1%13.6%
Hispanic or Latino3.7%18.9%
Asian29.4%6.3%
Under 1822.3%22.2%
65 and over34.6%16.8%

Nearby Cities

ZIP Codes in Oak Brook

Oak Brook, IL is covered by 1 ZIP code:

Oak Brook vs Other Cities

Frequently Asked Questions

Oak Brook's cost of living index is 103, where 100 is the national average. That puts Oak Brook roughly 3% above the national average in cost. The median home price is $825,600 and median rent is $3,501/month.
Oak Brook's violent crime rate is 62.4 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 6325.6 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.
Public schools in Oak Brook are operated by Butler SD 53. The district has 1 elementary, 1 middle, and several high schools. The student-to-teacher ratio is 7.6:1. 66.6% of adults 25+ hold a bachelor's degree or higher.
Oak Brook, IL has a population of 8,065, a median household income of $158,663, and an unemployment rate of 10.4%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
Oak Brook averages 32.8°F in January and 85.5°F in July. Annual rainfall is 39.7 inches with about 42.3 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).
Oak Brook, IL is covered by 1 ZIP code: 60523.
The population of Oak Brook, Illinois is 8,065 with a median age of 52.5. Source: US Census ACS 5-Year Estimates.
Key numbers for living in Oak Brook: cost of living index 103 (100 = US average), median home $825,600, median household income $158,663, crime index 130 (100 = US average, lower is safer), schools rated A+. Whether these are benefits or drawbacks depends on where you're coming from — compare Oak Brook side by side with your current city to see the trade-offs.